diff --git a/PA1/Makefile b/PA1/Makefile
new file mode 100644
index 0000000..0a48911
--- /dev/null
+++ b/PA1/Makefile
@@ -0,0 +1,4 @@
+all:
+	g++ 171044071_salih_tangel.cpp -o run
+do:
+	g++ vector2d_2.cpp -o run
diff --git a/PA1/PA1.pdf b/PA1/PA1.pdf
new file mode 100644
index 0000000..65d7ba1
Binary files /dev/null and b/PA1/PA1.pdf differ
diff --git a/PA1/salih_tangel_171044071.cpp b/PA1/salih_tangel_171044071.cpp
new file mode 100644
index 0000000..803c7d3
--- /dev/null
+++ b/PA1/salih_tangel_171044071.cpp
@@ -0,0 +1,183 @@
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+using namespace std;
+const int MAX = 10;		//it must be max 10 if it would be unique
+int is_it_error_1(char one[MAX],char two[MAX],int digit){	//check is it error 1
+	int i=0;
+	if(strlen(one)!=strlen(two))
+		return 0;
+	else
+		return 1;
+}
+int  is_it_same(char one[MAX],char two[MAX],int digit){		//check is it finish
+	int i=0;
+	for(;i<digit;i++){
+		if(one[i]!=two[i])
+			return 0;
+	}
+	return 1;
+}
+int  check(char one[MAX],char character,int digit){		//check for random number
+	int i=0;
+	for(;i<digit;i++){
+		if(one[i]==character)
+			return 0;
+	}
+	return 1;
+}
+int is_it_error_0(char one[MAX], int digit) {		//check is it error 0
+	int i = 0, j = digit;
+	if (one[i] == '0') return 0;
+	for (; i < digit; i++) {
+		for(j=0;j<digit;j++){
+			if (one[i] == one[j] && i!=j  || one[i] == '-')
+				return 0;
+		}
+	}
+	if(digit > 9)
+		return 0;
+	return 1;
+}
+int fun_find_exact(char one[MAX], char two[MAX], int digit) {		//find hint exact num
+	int i = 0, k = 0;
+	for (i = 0; i < digit; i++) {
+		if (one[i] == two[i]) k++;
+	}
+	return k;
+}
+int fun_find_wrong_placeses(char one[MAX], char two[MAX], int digit) {		//find hint wrong places
+	int i = 0, j = 0, k = 0;
+	for (; i < digit; i++) {
+		for (j = 0; j < digit; j++) {
+			if (one[i] == two[j] && i != j) k++;
+		}
+	}
+	return k;
+}
+int is_it_not_int(char one[MAX]) {		//check is it integer
+	int i = 0;
+	while (one[i] != '\0') {
+		if (!(one[i] >=48 && one[i]<=57 || one[i]== 45) ) {		//between ascii value of 0 and 9 and do not touch negatif value
+
+			return 0;
+		}
+		i++;
+	}
+	return 1;
+}
+int find_digit(int first, int second) {		//find digit
+	int i = 1; int j = 1; while (first != 0 && second != 0) {
+		first /= 10;
+		second /= 10;
+		if (first != 0) i++;
+		if (second != 0) j++;
+	}
+	if (i == j)
+		return i;
+	else {
+		return 0;
+	}
+}
+int main(int argc, char *argv[]) {
+	int new_num;		//int version of user num
+	char user_num[MAX];	//user num
+	char random_num[MAX];	//random generate num
+	int exact = 0;		//exact hint
+	int misplaced = 0;	//misplaced hint
+	int game_counter = 0;	//game counter for 100 times
+	int digit, i;		//digit numand i for counter
+
+	if (0 == strcmp(argv[1], "-r")) {		//random num game
+		if(atoi(argv[2]) > 9){			//for digit control
+				cout << "Error 0" << endl;
+				return 1;
+		}
+		do {
+			cin >> user_num;	//take user num
+			new_num =atoi(user_num);  // convert string to the int number
+			digit = find_digit(new_num,new_num);  // find and return digit of numbers
+
+			srand(time(0));
+			random_num[0]=(rand() %9+1)+'0';//first digit zero case
+
+			for (i =1; i < atoi(argv[2]); i++) {	//random num part
+				int flag=0;
+				while(!flag){
+					char num=rand()%10 +'0';
+					if(check(random_num,num,i)){
+						random_num[i]=num;
+						flag=1;
+					}
+				}
+			}
+			random_num[i] = '\0';  // to see end
+
+			if (0 == is_it_not_int(user_num) ) {		//these parts for error checking
+				cout << "Error 2" << endl;
+				return 1;
+			}
+			if (0 ==is_it_error_1(user_num,random_num,digit)) {
+				cout << "Error 1" << endl;
+				return 1;
+			}
+			if (0 == is_it_error_0(user_num, digit) ) {
+				cout << "Error 0" << endl;
+				return 1;
+			}
+			if(is_it_same(random_num,user_num,digit)){
+				cout<<"FOUND\t";
+				cout<<game_counter<<endl;
+				return 0;
+			}
+			exact=fun_find_exact(user_num,random_num,digit);	//for hints
+			misplaced = fun_find_wrong_placeses(user_num,random_num, digit);
+			cout << exact <<"\t"<< misplaced << endl;		//printing hints
+
+			game_counter++;
+		} while (game_counter != 100);
+	} else if (0 == strcmp(argv[1], "-u")) {		//same thing just random part miss
+			strcpy(random_num,argv[2]);		//take secret num;
+			new_num=atoi(random_num);
+			digit = find_digit(new_num,new_num);  // find and return digit of numbers
+
+			if (0 == is_it_error_0(random_num, digit)) {	//these statements for only for -u case
+				cout << "Error 0" << endl;
+				return 1;
+			}
+			if(0 == is_it_not_int(random_num) || digit > 9){
+				cout << "Error 0" << endl;
+				return 1;
+			}
+			new_num=0;		//to we will use new_num again
+		do {
+			cin >> user_num;
+			cout<<"Enter A NUMBER"<<endl;
+			new_num =atoi(user_num);  // convert string to the int number
+			if (0 == is_it_error_0(user_num, digit)){
+				cout << "Error 0" << endl;
+				return 1;
+			}
+			if (0 == is_it_not_int(user_num)) {
+				cout << "Error 2" << endl;
+				return 1;
+			}
+			if (0 == find_digit(new_num, atoi(random_num))) {
+				cout << "Error 1" << endl;
+				return 1;
+			}
+			if(is_it_same(random_num,user_num,digit)){
+				cout<<"FOUND\t";
+				cout<<game_counter<<endl;
+				return 0;
+			}
+			exact=fun_find_exact(user_num,random_num,digit);
+			misplaced = fun_find_wrong_placeses(user_num, random_num, digit);
+			cout << exact <<"\t"<< misplaced << endl;
+
+			game_counter++;
+		} while (game_counter != 100);
+	}
+	cout<<"FAILED\t"<<game_counter<<endl;
+	return 0;
+}
diff --git a/PA2/1.ppm b/PA2/1.ppm
new file mode 100644
index 0000000..286d9d1
--- /dev/null
+++ b/PA2/1.ppm
@@ -0,0 +1,4 @@
+P3
+4 4
+120
+0 0 0 50 0 0 0 0 0 60 0 60 0 0 0 0 60 87 0 0 0 0 0 0 0 0 0 0 0 0 0 7 87 0 0 0 60 0 60 0 0 0 0 0 0 60 60 60 
\ No newline at end of file
diff --git a/PA2/171044071_salih_tangel.cpp b/PA2/171044071_salih_tangel.cpp
new file mode 100644
index 0000000..de12f7e
--- /dev/null
+++ b/PA2/171044071_salih_tangel.cpp
@@ -0,0 +1,160 @@
+#include <bits/stdc++.h>
+#include <vector>
+#include<string>
+#include<fstream>
+using namespace std;
+
+class Image{
+	public:
+		vector<int> fun_open(string filename,vector<int> v);		//open part
+		void fun_save(string filename2,vector<int> v);			// save part
+		vector <int> fun_grayscale(float red,float green,float blue,vector<int> v);//graysclale working
+		float get_red(){
+			return red;
+		}
+		float get_blue(){
+			return blue;
+		}
+		float get_green(){
+			return green;
+		}
+		string firstline;	//for a3
+		string secondline;	//for 4 3
+		string thirdline;
+		string fourthline;	//for 255
+	private:
+		float red;//for float varibles
+		float green;
+		float blue;
+};
+vector<int> Image :: fun_open(string filename,vector<int> v){
+			int num=0;
+			int i=0;
+			  cin>>filename;
+			  ifstream myfile;
+			  myfile.open (filename);
+			 if (!myfile) {				//error check
+			    cerr << "Unable to open file datafile.txt";
+			    exit(1);   // call system to stop
+			}
+			myfile>>firstline;
+			myfile>>secondline;
+			myfile>>thirdline;
+			myfile>>fourthline;
+			while(myfile>>num){
+				v.push_back(num);
+			  }
+			 myfile.close();
+			 return v;
+}
+void Image :: fun_save(string filename2,vector<int> v){		//not working part
+			int i=0;
+			int counter=0;
+			 ofstream newfile;
+			 cin>>filename2;
+			 newfile.open(filename2);
+			if (!newfile.is_open()) {
+			    cerr << "Unable to open file datafile.txt";
+			    exit(1);   // call system to stop
+			}
+			newfile<<firstline<<endl;
+			newfile<<secondline<<endl;
+			newfile<<thirdline<<endl;
+			newfile<<fourthline<<endl;
+			for(;i<v.size();i++)
+			{
+				if(counter%3==0)
+					newfile<<"  ";
+				if(i%12==0){newfile<<endl;}
+				newfile<<v[i];
+				newfile<<" ";
+				counter++;
+			}
+			newfile.close();
+}
+vector<int> Image :: fun_grayscale(float red,float green,float blue,vector<int> v){
+	bool exit2=false;
+	int i=0;
+	string record2;
+	//for(i=0;i<v.size();i++)cout<<v[i] ;
+	do{
+		cout<<"enter float numbers[0,1)"<<endl;
+		cin>>red>>green>>blue;
+		if(red<1 && red>=0 && green<1 && green>=0 && blue<1 &&blue>=0)
+			exit2=false;
+		else{
+			cout<<"wrong num"<<endl;
+			exit2=true;
+		}
+	}while(exit2);
+
+	for(i=0;i<v.size();i++){	//sorun cikabilir burda
+		if(i%3==1){
+			v[i]*=green;
+		}
+		else if(i%3==0){
+			v[i]*=red;
+		}
+		else if(i%3==2){
+			v[i]*=blue;
+		}
+		if(v[i]>255){
+			v[i]=255;
+		}
+	}
+	//for(i=0;i<v.size();i++)cout<<v[i] ;		//if you want to see it is working
+	return v;
+}
+int main() {
+	// Assign vector
+	vector<int> v;
+	bool exit = true;
+	int choice;
+	int choice2;
+	string filename;
+	string filename2;
+	Image x;
+	do {
+		cout << "Main Menu" << endl
+		     << "0-Exit" << endl
+		     << "1-Open An Image(D)" << endl
+		     << "2-Save Image Data(D)" << endl
+		     << "3-Scripts(D)" << endl;
+		cin >> choice;
+		if (choice == 0)
+			exit = false;
+		else if (choice == 1) {
+			cout << "OPEN AN IMAGE MENU" << endl
+			     << "0 - UP" << endl
+			     << "1 - Enter The Name Of The Image File" << endl;
+			cin >> choice2;
+			if (choice2 == 0){} else if (choice2 == 1){
+				v=x.fun_open(filename,v);
+			}
+		} else if (choice == 2) {
+			cout << "SAVE IMAGE DATA MENU" << endl
+			     << "0 - UP" << endl
+			     << "1 - Enter A File Name" << endl;
+			cin >> choice2;
+			if (choice2 == 0){} else if (choice2 == 1){
+				x.fun_save(filename2,v);
+				return 1;
+			}
+		} else if (choice == 3) {
+			cout << "SCRIPTS MENU" << endl
+			     << "0 - UP" << endl
+			     << "1 - Convert To Grayscale(D)" << endl;
+			cin >> choice2;
+			if (choice2 == 0){} else if (choice2 == 1) {
+				cout<<"CONVERT TO GRAYSCALE MENU"<<endl
+				<<"0 - UP"<<endl
+				<<"1 - Enter Coefficients For RED GREEN And BLUE Channels."<<endl;
+				cin >> choice2;
+				if (choice2 == 0){} else if (choice2 == 1){
+				v=x.fun_grayscale(x.get_red(),x.get_green(),x.get_blue(),v);
+				}
+			}
+		}
+	} while (exit);
+}
+
diff --git a/PA2/Makefile b/PA2/Makefile
new file mode 100644
index 0000000..0a48911
--- /dev/null
+++ b/PA2/Makefile
@@ -0,0 +1,4 @@
+all:
+	g++ 171044071_salih_tangel.cpp -o run
+do:
+	g++ vector2d_2.cpp -o run
diff --git a/PA2/run b/PA2/run
new file mode 100644
index 0000000..5c3277b
Binary files /dev/null and b/PA2/run differ
diff --git a/PA3/Makefile b/PA3/Makefile
new file mode 100644
index 0000000..444dcf4
--- /dev/null
+++ b/PA3/Makefile
@@ -0,0 +1,8 @@
+all:
+	g++   -g salih_tangel_171044071.cpp -o  run
+do:
+	g++ issue.cpp -o run
+delete:
+	rm -rf 1.cpp
+segment:
+	valgrind -v ./run
diff --git a/PA3/a.out b/PA3/a.out
new file mode 100644
index 0000000..6fb0a15
Binary files /dev/null and b/PA3/a.out differ
diff --git a/PA3/a.ppm b/PA3/a.ppm
new file mode 100644
index 0000000..334f1a8
--- /dev/null
+++ b/PA3/a.ppm
@@ -0,0 +1,9 @@
+P3
+4
+4
+120
+
+0 0 0    5 0 0    0 0 0    6 0 6 
+0 0 0    0 6 8    0 0 0    0 0 0 
+0 0 0    0 0 0    0 0 8    0 0 0 
+1 0 6    0 0 0    0 0 0    6 6 6 
\ No newline at end of file
diff --git a/PA3/b.ppm b/PA3/b.ppm
new file mode 100644
index 0000000..321864b
--- /dev/null
+++ b/PA3/b.ppm
@@ -0,0 +1,9 @@
+P3
+4
+4
+120
+
+0 0 0    50 0 0    0 0 0    60 0 60 
+0 0 0    0 60 87    0 0 0    0 0 0 
+0 0 0    0 0 0    0 7 87    0 0 0 
+60 0 60    0 0 0    0 0 0    60 60 60 
\ No newline at end of file
diff --git a/PA3/b1.ppm b/PA3/b1.ppm
new file mode 100644
index 0000000..321864b
--- /dev/null
+++ b/PA3/b1.ppm
@@ -0,0 +1,9 @@
+P3
+4
+4
+120
+
+0 0 0    50 0 0    0 0 0    60 0 60 
+0 0 0    0 60 87    0 0 0    0 0 0 
+0 0 0    0 0 0    0 7 87    0 0 0 
+60 0 60    0 0 0    0 0 0    60 60 60 
\ No newline at end of file
diff --git a/PA3/run b/PA3/run
new file mode 100644
index 0000000..6006ba4
Binary files /dev/null and b/PA3/run differ
diff --git a/PA3/salih_tangel_171044071.cpp b/PA3/salih_tangel_171044071.cpp
new file mode 100644
index 0000000..6ed3bf7
--- /dev/null
+++ b/PA3/salih_tangel_171044071.cpp
@@ -0,0 +1,291 @@
+#include <iostream>
+#include <fstream>
+#include <string>
+using namespace std;
+//GRAYSCALE YAPMADAN KAYDEDINCE HATA VERIYOR
+//= KISMINI ACINCADA DA HATA VERIYOR
+class Image {
+    public:
+	void fun_open();
+	void fun_save();
+	void fun_grayscale();
+	Image() {
+	}  // Default constructor
+	Image(const Image &p2) {
+		int i,j;
+		 cin>>filename;
+		 imageformat=p2.imageformat;
+		 rowcount=p2.rowcount;
+		 columncount=p2.columncount;
+		 maxcolorvalue=p2.maxcolorvalue;
+		RGB = new int*[rowcount];// d. memory
+		for(int i = 0; i < rowcount; i++)
+		{
+			RGB[i]=new int[columncount*3];
+		}
+		for(i=0;i<rowcount;i++){
+			for(j=0;j<columncount*3;j++)
+				RGB[i][j] = p2.RGB[i][j] + p2.RGB[i][j];
+		}
+	}  // Copy constructor
+	~Image() {
+		for(int i =0;i<rowcount;i++)
+			delete[] RGB[i];
+		delete [] RGB;
+		RGB=nullptr;
+		cout<<"Destructor worked"<<endl;
+	}  // Destructor		//WORKING BUT IT IS ERASING ADDED IMAGE AFTER I CREATED IT.
+	float get_red()const { return red; }
+	float get_blue()const { return blue; }
+	float get_green()const { return green; }
+	int  get_rowcount()const{return rowcount;}
+	int  get_columncount()const{return columncount;}
+	int **get_RGB()const{return RGB;}
+	string get_filename()const{return filename;}
+	//Image & operator =(const Image &obj);//NO NEEDED
+	void operator =(const Image &obj);//NO NEEDED
+	friend Image  operator+(const Image &obj , const Image& obj2);
+
+    private:
+	float red;  // for float varibles
+	float green;
+	float blue;
+	int **RGB;
+	string imageformat;  // for a3
+	string filename;
+	int rowcount;     // f/or 4 3
+	int columncount;
+	int maxcolorvalue;  // for 255
+};
+Image operator+(const Image &obj1,const Image& obj2) {
+	Image newImage=obj1;
+	int i=0,j=0;
+
+	for(i=0;i<obj1.rowcount;i++){
+		for(j=0;j<obj1.columncount*3;j++)
+		{
+			newImage.RGB[i][j] = obj1.RGB[i][j] + obj2.RGB[i][j];
+			if(newImage.RGB[i][j] > newImage.maxcolorvalue)
+				newImage.RGB[i][j]=newImage.maxcolorvalue;
+		}
+	}
+	return newImage;
+}
+void  Image::operator = (const Image &obj) {
+	int i=0,j=0;
+	RGB[i][j]=obj.RGB[i][j];
+}
+void	Image ::fun_open() {
+	int i = 0;
+	int j = 0;
+
+	cin >> filename;
+
+	ifstream myfile;
+	myfile.open(filename);
+	if (!myfile) {  // error check
+		cerr << "Unable to open file datafile.txt";
+		exit(1);  // call system to stop
+	}
+	myfile >> imageformat;
+	myfile >> rowcount;
+	myfile >> columncount;
+	myfile >> maxcolorvalue;
+
+	RGB = new int*[rowcount];// d. memory
+	for(int i = 0; i < rowcount; i++)
+	{
+		RGB[i]=new int[columncount*3];
+	}
+	i=0,j=0;
+	while (!myfile.eof()) {
+		if (j == columncount*3) {		//bir satir bitince 
+			i++;
+			j = 0;
+		}
+		myfile >> RGB[i][j];
+		j++;
+	}
+	myfile.close();
+}
+void Image ::fun_save() {
+	int i=0,j=0;
+
+	int choice;
+	ofstream newfile;
+	cout<<"Please enter a name"<<endl;
+	string filename2;
+	cin >> filename2;
+
+	newfile.open(filename2);
+	if (!newfile.is_open()) {
+		cerr << "Unable to open file datafile";
+		exit(1);  // call system to stop
+	}
+	// this part for first three lines
+	newfile << imageformat << endl;
+	newfile << rowcount <<endl
+	<< columncount << endl;
+	newfile << maxcolorvalue << endl;
+
+	for(i=0;i<rowcount;i++){
+		newfile<<endl;
+		for(j=0;j<columncount*3;j++)
+		{
+			if(j%3==0 && j!=0)
+				newfile<<"   ";
+			newfile<<RGB[i][j];
+			newfile<<" ";
+		}
+	}
+	newfile.close();
+}
+void Image ::fun_grayscale() {
+	int i=0,j=0;
+	bool exit2 = false;
+	int choice;
+	string record2;
+	do {
+		cout << "enter float numbers[0,1)" << endl;
+		cin >> red >> green >> blue;
+		if (red < 1 && red >= 0 && green < 1 && green >= 0 &&
+		    blue < 1 && blue >= 0)
+			exit2 = false;
+		else {
+			cout << "wrong num" << endl;
+			exit2 = true;
+		}
+	} while (exit2);
+
+	for(i=0;i<rowcount;i++){
+		for(j=0;j<(columncount*3);j++){
+			if(i%3==1){
+				RGB[i][j]*=green;
+			}
+			else if(i%3==0){
+				RGB[i][j]*=red;
+			}
+			else if(i%3==2){
+				RGB[i][j]*=blue;
+			}
+			if(RGB[i][j]>maxcolorvalue){
+				RGB[i][j]=maxcolorvalue;
+			}
+		}
+	}
+}
+int main() {
+	bool exit = true;
+	int choice1;
+	int choice2;
+	int image_choice;
+	int grayscale_choice;
+	string thirdImage_name;
+	string filename2;
+	Image myImage;
+	Image secondImage;
+	Image thirdImage;
+	int i,j;
+	do {
+		cout << "Main Menu" << endl
+		     << "0-Exit" << endl
+		     << "-1-Load two Image(D)" << endl
+		     << "1-Open An Image(D)" << endl
+		     << "2-Save Image Data(D)" << endl
+		     << "3-Scripts(D)" << endl
+		     << "4-Add two image" << endl;
+		cin >> choice1;
+		if (choice1 == 0)
+			exit = false;
+		else if (choice1 == -1) {
+			cout << "OPEN  TWO IMAGES(you should  go to  open image from menu too)" << endl
+			     << "0 - UP" << endl
+			     << "1 - Enter The Name Of The Image File" << endl;
+			cin >> choice2;
+			if (choice2 == 0) {
+				// do nothing
+			} else if (choice2 == 1) {
+				 secondImage.fun_open();
+			}
+		} else if (choice1 == 1) {
+			cout << "OPEN AN IMAGE MENU" << endl
+			     << "0 - UP" << endl
+			     << "1 - Enter The Name Of The Image File" << endl;
+			cin >> choice2;
+			if (choice2 == 0) {
+				// do nothing
+			} else if (choice2 == 1) {
+				   myImage.fun_open();
+			}
+		} else if (choice1 == 2) {
+			cout << "SAVE IMAGE DATA MENU" << endl
+			     << "0 - UP" << endl
+			     << "1- GO ON"<<endl;
+			cin >> choice2;
+			if (choice2 == 0) {
+				// do nothing
+			} else if(choice2 ==1){
+				cout << "which image do you like to save ?"<<endl;
+				cout<<"(1)-"<<myImage.get_filename()<<endl
+				<<"(2)-"<<secondImage.get_filename()<<endl
+				<<"(3)-"<<thirdImage.get_filename()<<endl;
+				cin >> image_choice;
+				if (image_choice == 1)
+					myImage.fun_save();
+				else if (image_choice == 2)
+					secondImage.fun_save();
+				else if (image_choice == 3)
+					thirdImage.fun_save();
+				else {
+					cout << "you entered wrong" << endl;
+				}
+				return 1;
+			}
+		} else if (choice1 == 3) {
+			cout << "SCRIPTS MENU" << endl
+			     << "0 - UP" << endl
+			     << "1 - Convert To Grayscale(D)" << endl;
+			cin >> choice2;
+
+			if (choice2 == 0) {
+				// do nothing
+			} else if (choice2 == 1) {
+				cout << "CONVERT TO GRAYSCALE MENU" << endl
+				     << "0 - UP" << endl
+				     << "1 - Enter Coefficients For RED GREEN "
+					"And BLUE Channels."
+				     << endl;
+				cin >> choice2;
+
+				if (choice2 == 0) {
+				} else if (choice2 == 1) {
+					cout << "which image do you like to Grayscale?"<<endl;
+					cout<<"(1)-"<<myImage.get_filename()<<endl
+					<<"(2)-"<<secondImage.get_filename()<<endl
+					<<"(3)-"<<thirdImage.get_filename()<<endl;
+
+					cin >> grayscale_choice;
+					if (grayscale_choice == 1)
+						myImage.fun_grayscale();
+					else if (grayscale_choice == 2)
+						secondImage.fun_grayscale();
+					else if (grayscale_choice == 3)
+						thirdImage.fun_grayscale();
+					else {
+						cout << "you entered wrong"   << endl;
+					}
+				}
+			}
+		} else if (choice1 == 4) {
+			cout << "ADD IMAGES " << endl
+			     << "0 - UP" << endl;
+			if (choice2 == 0) {
+				// do nothing
+			}else if(choice2 ==1){
+				cout<<"write the name of the third image"<<endl;
+				myImage+secondImage;
+			}
+		}
+	} while (exit);
+}
+
diff --git a/PA3/tags b/PA3/tags
new file mode 100644
index 0000000..e36780f
--- /dev/null
+++ b/PA3/tags
@@ -0,0 +1,63 @@
+!_TAG_FILE_SORTED	2	/0=unsorted, 1=sorted, 2=foldcase/
+blue	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	float blue;$/;"	m	language:C++	class:Image	file:
+blue	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	float blue;$/;"	m	language:C++	class:Image	file:
+columncount	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	int columncount;$/;"	m	language:C++	class:Image	file:
+columncount	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	int columncount;$/;"	m	language:C++	class:Image	file:
+filename	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	string filename;$/;"	m	language:C++	class:Image	file:
+filename	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	string filename;$/;"	m	language:C++	class:Image	file:
+fun_grayscale	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	void fun_grayscale();$/;"	p	language:C++	class:Image	file:
+fun_grayscale	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^void Image ::fun_grayscale() {$/;"	f	language:C++	class:Image
+fun_grayscale	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	void fun_grayscale();$/;"	p	language:C++	class:Image	file:
+fun_grayscale	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^void Image ::fun_grayscale() {$/;"	f	language:C++	class:Image
+fun_open	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	void fun_open();$/;"	p	language:C++	class:Image	file:
+fun_open	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^void	Image ::fun_open() {$/;"	f	language:C++	class:Image
+fun_open	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	void fun_open();$/;"	p	language:C++	class:Image	file:
+fun_open	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^void	Image ::fun_open() {$/;"	f	language:C++	class:Image
+fun_save	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	void fun_save();$/;"	p	language:C++	class:Image	file:
+fun_save	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^void Image ::fun_save() {$/;"	f	language:C++	class:Image
+fun_save	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	void fun_save();$/;"	p	language:C++	class:Image	file:
+fun_save	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^void Image ::fun_save() {$/;"	f	language:C++	class:Image
+get_blue	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	float get_blue()const { return blue; }$/;"	f	language:C++	class:Image
+get_blue	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	float get_blue()const { return blue; }$/;"	f	language:C++	class:Image
+get_columncount	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	int  get_columncount()const{return columncount;}$/;"	f	language:C++	class:Image
+get_columncount	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	int  get_columncount()const{return columncount;}$/;"	f	language:C++	class:Image
+get_filename	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	string get_filename()const{return filename;}$/;"	f	language:C++	class:Image
+get_filename	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	string get_filename()const{return filename;}$/;"	f	language:C++	class:Image
+get_green	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	float get_green()const { return green; }$/;"	f	language:C++	class:Image
+get_green	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	float get_green()const { return green; }$/;"	f	language:C++	class:Image
+get_red	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	float get_red()const { return red; }$/;"	f	language:C++	class:Image
+get_red	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	float get_red()const { return red; }$/;"	f	language:C++	class:Image
+get_RGB	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	int **get_RGB()const{return RGB;}$/;"	f	language:C++	class:Image
+get_RGB	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	int **get_RGB()const{return RGB;}$/;"	f	language:C++	class:Image
+get_rowcount	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	int  get_rowcount()const{return rowcount;}$/;"	f	language:C++	class:Image
+get_rowcount	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	int  get_rowcount()const{return rowcount;}$/;"	f	language:C++	class:Image
+green	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	float green;$/;"	m	language:C++	class:Image	file:
+green	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	float green;$/;"	m	language:C++	class:Image	file:
+Image	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	Image() {$/;"	f	language:C++	class:Image
+Image	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	Image(const Image &p2) {$/;"	f	language:C++	class:Image
+Image	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^class Image {$/;"	c	language:C++	file:
+Image	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	Image() {$/;"	f	language:C++	class:Image
+Image	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	Image(const Image &p2) {$/;"	f	language:C++	class:Image
+Image	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^class Image {$/;"	c	language:C++	file:
+imageformat	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	string imageformat;  \/\/ for a3$/;"	m	language:C++	class:Image	file:
+imageformat	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	string imageformat;  \/\/ for a3$/;"	m	language:C++	class:Image	file:
+main	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^int main() {$/;"	f	language:C++
+main	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^int main() {$/;"	f	language:C++
+maxcolorvalue	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	int maxcolorvalue;  \/\/ for 255$/;"	m	language:C++	class:Image	file:
+maxcolorvalue	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	int maxcolorvalue;  \/\/ for 255$/;"	m	language:C++	class:Image	file:
+operator +	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	friend Image  operator+(const Image &obj , const Image& obj2);$/;"	p	language:C++	class:Image	file:
+operator +	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^Image operator+(const Image &obj1,const Image& obj2) {$/;"	f	language:C++
+operator +	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	friend Image  operator+(const Image &obj , const Image& obj2);$/;"	p	language:C++	class:Image	file:
+operator +	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^Image operator+(const Image &obj1,const Image& obj2) {$/;"	f	language:C++
+operator =	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	void operator =(const Image &obj);\/\/NO NEEDED$/;"	p	language:C++	class:Image	file:
+operator =	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^void  Image::operator = (const Image &obj) {$/;"	f	language:C++	class:Image
+operator =	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	void operator =(const Image &obj);\/\/NO NEEDED$/;"	p	language:C++	class:Image	file:
+operator =	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^void  Image::operator = (const Image &obj) {$/;"	f	language:C++	class:Image
+red	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	float red;  \/\/ for float varibles$/;"	m	language:C++	class:Image	file:
+red	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	float red;  \/\/ for float varibles$/;"	m	language:C++	class:Image	file:
+RGB	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	int **RGB;$/;"	m	language:C++	class:Image	file:
+RGB	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	int **RGB;$/;"	m	language:C++	class:Image	file:
+rowcount	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	int rowcount;     \/\/ f\/or 4 3$/;"	m	language:C++	class:Image	file:
+rowcount	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	int rowcount;     \/\/ f\/or 4 3$/;"	m	language:C++	class:Image	file:
+~Image	/home/tangel/Desktop/C++/homeworks/PA3/salih_tangel_171044071.cpp	/^	~Image() {$/;"	f	language:C++	class:Image
+~Image	/home/tangel/Desktop/PA3/salih_tangel_171044071.cpp	/^	~Image() {$/;"	f	language:C++	class:Image
diff --git a/PA3/z.ppm b/PA3/z.ppm
new file mode 100644
index 0000000..ba80525
--- /dev/null
+++ b/PA3/z.ppm
@@ -0,0 +1,9 @@
+P3
+4
+4
+120
+
+1 0 0    100 0 0    0 0 0    120 0 120 
+3 0 0    0 120 120    0 0 0    0 0 0 
+9 0 0    0 0 0    0 14 120    0 0 0 
+72 0 120    0 0 0    0 0 0    120 120 120 
\ No newline at end of file
diff --git a/PA4/HW4.pdf b/PA4/HW4.pdf
new file mode 100644
index 0000000..b9212c4
Binary files /dev/null and b/PA4/HW4.pdf differ
diff --git a/PA4/salih_tangel_171044071/Balrogs.cpp b/PA4/salih_tangel_171044071/Balrogs.cpp
new file mode 100644
index 0000000..087ce74
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Balrogs.cpp
@@ -0,0 +1,44 @@
+#include"Balrogs.h"
+
+Balrogs::Balrogs(){
+	set_strength(10);
+	set_hitpoints(10);
+	set_type(2);
+}
+Balrogs::Balrogs(int newType, int newStrength, int newHit){
+	set_type(newType);
+	set_strength(newStrength);
+}
+int Balrogs :: getDamage(){
+	int damage;
+	int change=rand() % 100;
+	// All creatures inflict damage which is a
+	// random number up to their strength
+	damage = (rand() % get_strength()) + 1;
+	cout << getSpecies() << " attacks for " << damage << " points!"
+	      << endl;
+	// Demons can inflict damage of 50 with a 5% chance
+	if ((get_type()== 2) || (get_type()== 1)){
+		if(change<5);
+			damage+=50;
+		cout<<"Demonic attack inflict 50"<<
+			"additional damage point!"<<endl;
+	}
+	// Elves inflict double magical damage with a 10% chance
+	if (get_type()== 3) {
+		if(change<10);
+			damage*=2;
+	}
+	// Balrogs are so fast they get to attack twice
+	if (get_type()== 2) {
+		int damage2=(rand()% get_strength())+1;
+		cout<<"Balrog speed atack inflicts"<< damage2
+			<<"additional damage points!"<<endl;
+		damage=damage+damage2;
+	}
+	return damage;
+}
+
+string Balrogs :: getSpecies(){	//i do not want to write again no needed it has to be Balrogs
+	return "Balrogs";
+}
diff --git a/PA4/salih_tangel_171044071/Balrogs.h b/PA4/salih_tangel_171044071/Balrogs.h
new file mode 100644
index 0000000..cf07eb7
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Balrogs.h
@@ -0,0 +1,12 @@
+#ifndef BALROGS_H
+#define BALROGS_H
+#include"Deamons.h"
+class Balrogs: public Deamons
+{
+	public:
+	Balrogs();
+	Balrogs(int newType, int newStrength, int newHit);
+	int getDamage();
+	string	getSpecies();// a helper function which returns the creature type
+};
+#endif
diff --git a/PA4/salih_tangel_171044071/Balrogs.o b/PA4/salih_tangel_171044071/Balrogs.o
new file mode 100644
index 0000000..259f8d6
Binary files /dev/null and b/PA4/salih_tangel_171044071/Balrogs.o differ
diff --git a/PA4/salih_tangel_171044071/Creature.cpp b/PA4/salih_tangel_171044071/Creature.cpp
new file mode 100644
index 0000000..c81b448
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Creature.cpp
@@ -0,0 +1,47 @@
+#include"Creature.h"
+
+Creature :: Creature():strength(10),hitpoints(10),type(0){
+}
+Creature :: Creature(int newType, int newStrength, int newHit){
+	type=newType;
+	strength=newType;
+	hitpoints=newHit;
+}
+	int Creature:: get_type()const{return type;}
+	int Creature:: get_strength()const {return strength;}
+	int Creature:: get_hitpoints()const {return hitpoints;}
+	void Creature :: set_type(int one){ type=one;}
+	void Creature :: set_strength(int one){ strength=one;}
+	void Creature :: set_hitpoints(int one){ hitpoints=one;}
+int Creature :: getDamage(){
+	int damage;
+	int change=rand() % 100;
+	// All creatures inflict damage which is a
+	// random number up to their strength
+	damage = (rand() % strength) + 1;
+	cout << getSpecies() << " attacks for " << damage << " points!"
+	      << endl;
+	// Demons can inflict damage of 50 with a 5% chance
+	if ((type = 2) || (type == 1)){
+		if(change<5);
+			damage+=50;
+		cout<<"Demonic attack inflict 50"<<
+			"additional damage point!"<<endl;
+	}
+	// Elves inflict double magical damage with a 10% chance
+	if (type == 3) {
+		if(change<10);
+			damage*=2;
+	}
+	// Balrogs are so fast they get to attack twice
+	if (type == 2) {
+		int damage2=(rand()% strength)+1;
+		cout<<"Balrog speed atack inflicts"<< damage2
+			<<"additional damage points!"<<endl;
+		damage=damage+damage2;
+	}
+	return damage;
+}
+string Creature :: getSpecies(){
+	return "Human";
+}
diff --git a/PA4/salih_tangel_171044071/Creature.h b/PA4/salih_tangel_171044071/Creature.h
new file mode 100644
index 0000000..1506919
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Creature.h
@@ -0,0 +1,28 @@
+#ifndef CREATURE_H
+#define CREATURE_H
+#include<iostream>
+#include<string>
+using namespace std;
+class Creature{
+public:
+	string	getSpecies();// a helper function which returns the creature type
+	Creature();
+	// Initialize to human, 10 strength, 10 hit points
+	Creature(int newType, int newStrength, int newHit);
+	// Also add appropriate accessor and mutator functions
+	int get_type()const;
+	int get_strength()const;
+	int get_hitpoints()const;
+	void set_type(const int newType);
+	void set_strength(const int newStrength);
+	void set_hitpoints(const int hitpoints);
+		// for type, strength, and hit points
+	int getDamage();
+	// Returns amount of damage this creature
+	// inflicts in one round of combat
+	private:
+	int type;
+	int strength;
+	int hitpoints;
+};
+#endif
diff --git a/PA4/salih_tangel_171044071/Creature.o b/PA4/salih_tangel_171044071/Creature.o
new file mode 100644
index 0000000..2f92003
Binary files /dev/null and b/PA4/salih_tangel_171044071/Creature.o differ
diff --git a/PA4/salih_tangel_171044071/Cyberdemon.cpp b/PA4/salih_tangel_171044071/Cyberdemon.cpp
new file mode 100644
index 0000000..b8c3b8a
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Cyberdemon.cpp
@@ -0,0 +1,44 @@
+#include"Cyberdemon.h"
+Cyberdemons::Cyberdemons(){
+	set_type(1);
+	set_strength(10);
+	set_hitpoints(10);
+}
+Cyberdemons::Cyberdemons(int newType, int newStrength, int newHit){
+	set_type(newType);
+	set_strength(newStrength);
+}
+int Cyberdemons:: getDamage(){
+	int damage;
+	int change=rand() % 100;
+	// All creatures inflict damage which is a
+	// random number up to their strength
+	damage = (rand() % get_strength()) + 1;
+	cout << getSpecies() << " attacks for " << damage << " points!"
+	      << endl;
+	// Demons can inflict damage of 50 with a 5% chance
+	if ((get_type()== 2) || (get_type()== 1)){
+		if(change<5);
+			damage+=50;
+		cout<<"Demonic attack inflict 50"<<
+			"additional damage point!"<<endl;
+	}
+	// Elves inflict double magical damage with a 10% chance
+	if (get_type()== 3) {
+		if(change<10);
+			damage*=2;
+	}
+	// Balrogs are so fast they get to attack twice
+	if (get_type()== 2) {
+		int damage2=(rand()% get_strength())+1;
+		cout<<"Balrog speed atack inflicts"<< damage2
+			<<"additional damage points!"<<endl;
+		damage=damage+damage2;
+	}
+	return damage;
+
+}
+string	Cyberdemons::getSpecies(){
+	return "Cyberdemons";
+}
+
diff --git a/PA4/salih_tangel_171044071/Cyberdemon.h b/PA4/salih_tangel_171044071/Cyberdemon.h
new file mode 100644
index 0000000..48c4b70
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Cyberdemon.h
@@ -0,0 +1,12 @@
+#ifndef CYBERDEMON_H
+#define CYBERDEMON_H
+#include"Creature.h"
+class Cyberdemons : public Creature{
+    public:
+	Cyberdemons();
+	Cyberdemons(int newType, int newStrength, int newHit);
+	int getDamage();
+	string	getSpecies();// a helper function which returns the creature type
+};
+
+#endif
diff --git a/PA4/salih_tangel_171044071/Cyberdemon.o b/PA4/salih_tangel_171044071/Cyberdemon.o
new file mode 100644
index 0000000..263926f
Binary files /dev/null and b/PA4/salih_tangel_171044071/Cyberdemon.o differ
diff --git a/PA4/salih_tangel_171044071/Deamons.cpp b/PA4/salih_tangel_171044071/Deamons.cpp
new file mode 100644
index 0000000..5435f4d
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Deamons.cpp
@@ -0,0 +1,43 @@
+#include"Deamons.h"
+Deamons::Deamons(){
+	set_strength(10);
+	set_hitpoints(10);
+}
+Deamons::Deamons(int newType, int newStrength, int newHit){
+	set_type(newType);
+	set_strength(newStrength);
+}
+int Deamons:: getDamage(){
+	int damage;
+	int change=rand() % 100;
+	// All creatures inflict damage which is a
+	// random number up to their strength
+	damage = (rand() % get_strength()) + 1;
+	cout << getSpecies() << " attacks for " << damage << " points!"
+	      << endl;
+	// Demons can inflict damage of 50 with a 5% chance
+	if ((get_type()== 2) || (get_type()== 1)){
+		if(change<5);
+			damage+=50;
+		cout<<"Demonic attack inflict 50"<<
+			"additional damage point!"<<endl;
+	}
+	// Elves inflict double magical damage with a 10% chance
+	if (get_type()== 3) {
+		if(change<10);
+			damage*=2;
+	}
+	// Balrogs are so fast they get to attack twice
+	if (get_type()== 2) {
+		int damage2=(rand()% get_strength())+1;
+		cout<<"Balrog speed atack inflicts"<< damage2
+			<<"additional damage points!"<<endl;
+		damage=damage+damage2;
+	}
+	return damage;
+
+}
+string	Deamons::getSpecies(){
+	return "Deamons";
+}
+
diff --git a/PA4/salih_tangel_171044071/Deamons.h b/PA4/salih_tangel_171044071/Deamons.h
new file mode 100644
index 0000000..7dfc0ca
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Deamons.h
@@ -0,0 +1,12 @@
+#ifndef DEAMONS_H
+#define DEAMONS_H
+#include"Creature.h"
+class Deamons : public Creature{
+    public:
+	Deamons();
+	Deamons(int newType, int newStrength, int newHit);
+	int getDamage();
+	string	getSpecies();// a helper function which returns the creature type
+};
+
+#endif
diff --git a/PA4/salih_tangel_171044071/Deamons.o b/PA4/salih_tangel_171044071/Deamons.o
new file mode 100644
index 0000000..e9ed03d
Binary files /dev/null and b/PA4/salih_tangel_171044071/Deamons.o differ
diff --git a/PA4/salih_tangel_171044071/Elf.cpp b/PA4/salih_tangel_171044071/Elf.cpp
new file mode 100644
index 0000000..96aa91d
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Elf.cpp
@@ -0,0 +1,44 @@
+#include"Elf.h"
+Elfs::Elfs(){
+	set_strength(10);
+	set_hitpoints(10);
+	set_type(3);
+}
+Elfs::Elfs(int newType, int newStrength, int newHit){
+	set_type(newType);
+	set_strength(newStrength);
+}
+int Elfs:: getDamage(){
+	int damage;
+	int change=rand() % 100;
+	// All creatures inflict damage which is a
+	// random number up to their strength
+	damage = (rand() % get_strength()) + 1;
+	cout << getSpecies() << " attacks for " << damage << " points!"
+	      << endl;
+	// Demons can inflict damage of 50 with a 5% chance
+	if ((get_type()== 2) || (get_type()== 1)){
+		if(change<5);
+			damage+=50;
+		cout<<"Demonic attack inflict 50"<<
+			"additional damage point!"<<endl;
+	}
+	// Elves inflict double magical damage with a 10% chance
+	if (get_type()== 3) {
+		if(change<10);
+			damage*=2;
+	}
+	// Elfs are so fast they get to attack twice
+	if (get_type()== 2) {
+		int damage2=(rand()% get_strength())+1;
+		cout<<"Balrog speed atack inflicts"<< damage2
+			<<"additional damage points!"<<endl;
+		damage=damage+damage2;
+	}
+	return damage;
+
+}
+string	Elfs::getSpecies(){
+	return "Elfs";
+}
+
diff --git a/PA4/salih_tangel_171044071/Elf.h b/PA4/salih_tangel_171044071/Elf.h
new file mode 100644
index 0000000..33219a0
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Elf.h
@@ -0,0 +1,12 @@
+#ifndef ELF_H
+#define ELF_H
+#include"Creature.h"
+class Elfs : public Creature{
+    public:
+	Elfs();
+	Elfs(int newType, int newStrength, int newHit);
+	int getDamage();
+	string	getSpecies();// a helper function which returns the creature type
+};
+
+#endif
diff --git a/PA4/salih_tangel_171044071/Elf.o b/PA4/salih_tangel_171044071/Elf.o
new file mode 100644
index 0000000..2277417
Binary files /dev/null and b/PA4/salih_tangel_171044071/Elf.o differ
diff --git a/PA4/salih_tangel_171044071/Human.cpp b/PA4/salih_tangel_171044071/Human.cpp
new file mode 100644
index 0000000..f080c2f
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Human.cpp
@@ -0,0 +1,44 @@
+#include"Human.h"
+Human::Human(){
+	set_strength(10);
+	set_hitpoints(10);
+	set_type(0);
+}
+Human::Human(int newType, int newStrength, int newHit){
+	set_type(newType);
+	set_strength(newStrength);
+}
+int Human:: getDamage(){
+	int damage;
+	int change=rand() % 100;
+	cout<<get_type()<<get_hitpoints()<<get_strength();
+	// All creatures inflict damage which is a
+	// random number up to their strength
+	damage = (rand() % get_strength()) + 1;
+	cout << getSpecies() << " attacks for " << damage << " points!"
+	      << endl;
+	// Demons can inflict damage of 50 with a 5% chance
+	if ((get_type()== 2) || (get_type()== 1)){
+		if(change<5);
+			damage+=50;
+		cout<<"Demonic attack inflict 50"<<
+			"additional damage point!"<<endl;
+	}
+	// Elves inflict double magical damage with a 10% chance
+	if (get_type()== 3) {
+		if(change<10);
+			damage*=2;
+	}
+	// Balrogs are so fast they get to attack twice
+	if (get_type()== 2) {
+		int damage2=(rand()% get_strength())+1;
+		cout<<"Balrog speed atack inflicts"<< damage2
+			<<"additional damage points!"<<endl;
+		damage=damage+damage2;
+	}
+	return damage;
+}
+string	Human::getSpecies(){
+	return "Human";
+}
+
diff --git a/PA4/salih_tangel_171044071/Human.h b/PA4/salih_tangel_171044071/Human.h
new file mode 100644
index 0000000..b6acaf1
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Human.h
@@ -0,0 +1,12 @@
+#ifndef HUMAN_H
+#define HUMAN_H
+#include"Creature.h"
+class Human: public Creature
+{
+	public:
+	Human();
+	Human(int newType, int newStrength, int newHit);
+	int getDamage();
+	string	getSpecies();// a helper function which returns the creature type
+};
+#endif
diff --git a/PA4/salih_tangel_171044071/Human.o b/PA4/salih_tangel_171044071/Human.o
new file mode 100644
index 0000000..4676a56
Binary files /dev/null and b/PA4/salih_tangel_171044071/Human.o differ
diff --git a/PA4/salih_tangel_171044071/Makefile b/PA4/salih_tangel_171044071/Makefile
new file mode 100644
index 0000000..964ec7b
--- /dev/null
+++ b/PA4/salih_tangel_171044071/Makefile
@@ -0,0 +1,14 @@
+all: do
+
+do: main.o class.o
+	g++ main.o Balrogs.o Deamons.o Creature.o Human.o Elf.o Cyberdemon.o	-o run
+
+issue.o: main.cpp
+	g++ -std=c++11 main.cpp
+
+class.o: Balrogs.cpp Balrogs.h
+	g++ -c Balrogs.cpp Deamons.cpp Human.cpp Creature.cpp Elf.cpp Cyberdemon.cpp
+delete:
+	rm -rf security.cpp
+segment:
+	valgrind -v ./run
diff --git a/PA4/salih_tangel_171044071/main.cpp b/PA4/salih_tangel_171044071/main.cpp
new file mode 100644
index 0000000..51940e5
--- /dev/null
+++ b/PA4/salih_tangel_171044071/main.cpp
@@ -0,0 +1,44 @@
+// C++ program to demonstrate implementation
+// of Inheritance
+#include"Balrogs.h"
+#include"Cyberdemon.h"
+#include"Deamons.h"
+#include"Human.h"
+#include"Elf.h"
+#include"Creature.h"
+//constructor eksigin var constructor tanimlayinca bi anda duzeldi
+//human et damage neden duzgun calismiyor?
+using namespace std;
+int main() {
+	//i give basically 10 strength and 10 hitpoints
+	Creature a(0,10,10);//HUMAN
+	std::cout<<a.getSpecies()<<endl;
+	std::cout<<a.getDamage();	//Error idknow
+	Human a_1;
+	std::cout<<a_1.getDamage()<<endl;
+
+	Creature b(1,10,10);//CYBERDEMON
+	std::cout<<b.getSpecies()<<endl;
+	std::cout<<b.getDamage()<<endl;
+	Deamons b_1;
+	std::cout<<b_1.getDamage()<<endl;
+	Cyberdemons b_2;
+	std::cout<<b_2.getDamage()<<endl;
+
+	Creature c(2,10,10);//BALROGS
+	std::cout<<c.getSpecies()<<endl;
+	std::cout<<c.getDamage()<<endl;
+	Deamons c_1;
+	std::cout<<c_1.getDamage()<<endl;
+	Balrogs c_2;
+	std::cout<<c_2.getDamage()<<endl;
+
+	Creature d(3,10,10);//ELFS
+	std::cout<<d.getSpecies()<<endl;
+	std::cout<<d.getDamage()<<endl;
+	Elfs d_1;
+	std::cout<<d_1.getDamage()<<endl;
+
+	return 0;
+}
+
diff --git a/PA4/salih_tangel_171044071/main.o b/PA4/salih_tangel_171044071/main.o
new file mode 100644
index 0000000..01484cb
Binary files /dev/null and b/PA4/salih_tangel_171044071/main.o differ
diff --git a/PA4/salih_tangel_171044071/run b/PA4/salih_tangel_171044071/run
new file mode 100644
index 0000000..22a978e
Binary files /dev/null and b/PA4/salih_tangel_171044071/run differ
diff --git a/PA4/salih_tangel_171044071/tags b/PA4/salih_tangel_171044071/tags
new file mode 100644
index 0000000..f0ec0d7
--- /dev/null
+++ b/PA4/salih_tangel_171044071/tags
@@ -0,0 +1,31 @@
+!_TAG_FILE_SORTED	2	/0=unsorted, 1=sorted, 2=foldcase/
+Creature	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.cpp	/^Creature :: Creature():strength(10),hitpoints(10),type(0){$/;"	f	language:C++	class:Creature
+Creature	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.cpp	/^Creature :: Creature(int newType, int newStrength, int newHit){$/;"	f	language:C++	class:Creature
+Creature	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	Creature();$/;"	p	language:C++	class:Creature
+Creature	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	Creature(int newType, int newStrength, int newHit);$/;"	p	language:C++	class:Creature
+Creature	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^class Creature{$/;"	c	language:C++
+CREATURE_H	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	2;"	d	language:C++
+getDamage	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.cpp	/^int Creature :: getDamage(){$/;"	f	language:C++	class:Creature
+getDamage	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	int getDamage();$/;"	p	language:C++	class:Creature
+getDamage	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Human.cpp	/^int Human:: getDamage(){$/;"	f	language:C++	class:Human
+getSpecies	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.cpp	/^string Creature :: getSpecies(){$/;"	f	language:C++	class:Creature
+getSpecies	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	string	getSpecies();\/\/ a helper function which returns the creature type$/;"	p	language:C++	class:Creature
+getSpecies	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Human.cpp	/^string	Human::getSpecies(){$/;"	f	language:C++	class:Human
+get_hitpoints	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.cpp	/^	int Creature:: get_hitpoints()const {return hitpoints;}$/;"	f	language:C++	class:Creature
+get_hitpoints	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	int get_hitpoints()const;$/;"	p	language:C++	class:Creature
+get_strength	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.cpp	/^	int Creature:: get_strength()const {return strength;}$/;"	f	language:C++	class:Creature
+get_strength	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	int get_strength()const;$/;"	p	language:C++	class:Creature
+get_type	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.cpp	/^	int Creature:: get_type()const{return type;}$/;"	f	language:C++	class:Creature
+get_type	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	int get_type()const;$/;"	p	language:C++	class:Creature
+hitpoints	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	int hitpoints;$/;"	m	language:C++	class:Creature
+Human	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Human.cpp	/^Human::Human(){$/;"	f	language:C++	class:Human
+Human	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Human.cpp	/^Human::Human(int newType, int newStrength, int newHit){$/;"	f	language:C++	class:Human
+main	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/main.cpp	/^int main() {$/;"	f	language:C++
+set_hitpoints	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.cpp	/^	void Creature :: set_hitpoints(int one){ hitpoints=one;}$/;"	f	language:C++	class:Creature
+set_hitpoints	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	void set_hitpoints(const int hitpoints);$/;"	p	language:C++	class:Creature
+set_strength	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.cpp	/^	void Creature :: set_strength(int one){ strength=one;}$/;"	f	language:C++	class:Creature
+set_strength	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	void set_strength(const int newStrength);$/;"	p	language:C++	class:Creature
+set_type	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.cpp	/^	void Creature :: set_type(int one){ type=one;}$/;"	f	language:C++	class:Creature
+set_type	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	void set_type(const int newType);$/;"	p	language:C++	class:Creature
+strength	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	int strength;$/;"	m	language:C++	class:Creature
+type	/home/tangel/Desktop/C++/homeworks/PA4/salih_tangel_171044071/Creature.h	/^	int type;$/;"	m	language:C++	class:Creature
diff --git a/README.md b/README.md
index 1992318..d76326b 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
 # Object-Orianted-Programming
-These codes are written in C++
+These codes are written in C++ and Java
 if you want to check first read pdf
 and run Makefile
diff --git a/as b/as
new file mode 100644
index 0000000..8270fc7
--- /dev/null
+++ b/as
@@ -0,0 +1,95 @@
+commit 36b790826a441a315431d5716d409f5d8d839f84 (HEAD -> Homeworks, origin/Homeworks, origin/HEAD)
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Sun May 9 19:44:28 2021 +0300
+
+    Create Readme.md
+
+commit 11fa081ec8c5cc3cb1e6d23a941a1b87d6593471
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Sun May 9 19:40:51 2021 +0300
+
+    Update README.md
+
+commit ac9168a24df7afcde0eb16ffa50a21735f0b4834 (origin/java)
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 20:18:46 2020 +0300
+
+    Add files via upload
+
+commit c0ebba3781e164d9a901cafe850de639f51b9b3f (origin/master)
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 20:09:42 2020 +0300
+
+    Create README.md
+
+commit fde856a5987b79e408701a6d5bbb157f6689bc86
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 20:08:57 2020 +0300
+
+    Add files via upload
+
+commit 05ab7ccadffbf727d6197629f49df105fc833aa0
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 20:08:26 2020 +0300
+
+    Add files via upload
+
+commit 6459d44c03fac63dcb9c1673f01d1815a4b447bc
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 20:07:44 2020 +0300
+
+    Add files via upload
+
+commit caf700ecda9e1f85167334b343c3d39090b13dae
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 20:07:20 2020 +0300
+
+    Add files via upload
+
+commit 1af192e07c073013c2798fcafcadd7ceab577f06
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 20:06:34 2020 +0300
+
+    Add files via upload
+
+commit b63dda3831da3c1403e15726bae73ba0e5afadf3
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 20:06:06 2020 +0300
+
+    Add files via upload
+
+commit 0a922bb71dc078c90f11318afa3950368c3fc98b
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 18:43:12 2020 +0300
+
+    Add files via upload
+
+commit b77edef89c18b6a891ee7b34956fe53a53f2ee7f
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 18:42:27 2020 +0300
+
+    Add files via upload
+
+commit 31db44aba8efa4a3d5aaf641e55c6a6b3ebc6c0b
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 18:41:08 2020 +0300
+
+    Add files via upload
+
+commit dfbd27a665d4c1dae1fd465e1be9ec43b0e545de
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 18:40:06 2020 +0300
+
+    Add files via upload
+
+commit 64246c1dec2c47438f46014338f39a6ab29f09af
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 18:39:18 2020 +0300
+
+    Add files via upload
+
+commit 4a152f3811819649981efbb54674c65911a9a777
+Author: salihtangel <47741948+salihtangel@users.noreply.github.com>
+Date:   Tue Jul 7 18:38:40 2020 +0300
+
+    Add files via upload
diff --git a/psdeneme/1.c b/psdeneme/1.c
new file mode 100644
index 0000000..7ebcfa7
--- /dev/null
+++ b/psdeneme/1.c
@@ -0,0 +1 @@
+asfasdasddasd