diff --git a/DArray.cpp b/DArray.cpp
index 751e76e..a169e44 100644
--- a/DArray.cpp
+++ b/DArray.cpp
@@ -44,11 +44,10 @@ void DArray::setRoomOfTu(int tu){
 
 }
 
-void DArray::arrayTiger(Animal *arr, int roomOfTi){
-//void DArray::arrayTiger(Tiger *arr, int roomOfTi){
 
-    //Tiger *temp_ti = new Tiger[roomOfTi * 2];
-    Animal *temp_ti = new Tiger[roomOfTi * 2];
+void DArray::arrayTiger(Tiger *arr, int roomOfTi){
+
+    Tiger *temp_ti = new Tiger[roomOfTi * 2];
 
     for (int i = 0; i < roomOfTi * 2; i++) {
         temp_ti[i] = Tiger(0, 0.00, 0, 0.00, 0.00);
@@ -58,23 +57,17 @@ void DArray::arrayTiger(Animal *arr, int roomOfTi){
         temp_ti[i] = arr[i];
     }
     //delete[] arr;
-    //delete arr;
-    setRoomOfTi(roomOfTi*2);
-   //
+
     for (int i = 0; i < roomOfTi * 2; i++) {
        arr[i] = Tiger(0, 0.00, 0, 0.00, 0.00);
     }
-
     arr = temp_ti;
-
+    setRoomOfTi(roomOfTi*2);
 }
 
-void DArray::arrayPen(Animal *arra, int roomOfPe){
-//void DArray::arrayPen(Penguin *arra, int roomOfPe){
+void DArray::arrayPen(Penguin *arra, int roomOfPe){
 
-
-    //Penguin *temp_pe = new Penguin[roomOfPe * 2];
-    Animal *temp_pe = new Penguin[roomOfPe * 2];
+    Penguin *temp_pe = new Penguin[roomOfPe * 2];
 
     for (int i = 0; i < roomOfPe * 2; i++) {
         temp_pe[i] = Penguin(0, 0.00, 0, 0.00, 0.00);
@@ -83,24 +76,20 @@ void DArray::arrayPen(Animal *arra, int roomOfPe){
     for (int i = 0; i < roomOfPe; i++) {
         temp_pe[i] = arra[i];
     }
-    //issue occur point!
+
     //delete [] arra;
-    //delete arra;
-    setRoomOfPe(roomOfPe*2);
 
     for (int i = roomOfPe; i < roomOfPe * 2; i++) {
         arra[i] = Penguin(0, 0.00, 0, 0.00, 0.00);
     }
-
     arra = temp_pe;
+    setRoomOfPe(roomOfPe*2);
 
 }
 
-void DArray::arrayTur(Animal *array, int roomOfTu){
-//void DArray::arrayTur(Turtle *array, int roomOfTu){
+void DArray::arrayTur(Turtle *array, int roomOfTu){
 
-    //Turtle *temp_tu = new Turtle[roomOfTu * 2];
-    Animal *temp_tu = new Turtle[roomOfTu * 2];
+    Turtle *temp_tu = new Turtle[roomOfTu * 2];
 
     for (int i = 0; i < roomOfTu * 2; i++) {
         temp_tu[i] = Turtle(0, 0.00, 0, 0.00, 0.00);
@@ -110,28 +99,20 @@ void DArray::arrayTur(Animal *array, int roomOfTu){
         temp_tu[i] = array[i];
     }
     //delete [] array;
-    //delete array;
-    setRoomOfTu(roomOfTu*2);
 
     for (int i = roomOfTu; i < roomOfTu * 2; i++) {
        array[i] = Turtle(0, 0.00, 0, 0.00, 0.00);
     }
 
     array = temp_tu;
-
+    setRoomOfTu(roomOfTu*2);
 }
 
-void DArray::pickRemove(int &ti, int &pe, int &tu, Animal *arr, Animal *arra, Animal *array) {
-//void DArray::pickRemove(int &ti, int &pe, int &tu, Tiger *arr, Penguin *arra, Turtle *array) {
-
-
-    Zoo nyc;
+void DArray::pickRemove(int &ti, int &pe, int &tu, Tiger *arr, Penguin *arra, Turtle *array) {
 
     int numOfAni = ti + pe + tu;
 
-    std::cout << "Tiger num " << ti << "  ";
-    std::cout << "Penguin num " << pe << "  ";
-    std::cout << "Turtle num " << tu << "  " << std::endl;
+    std::cout <<"You have  "<< ti << " tiger/s "<<pe<< " penguin/s  "<<tu<< " Turtle/s"<< std::endl;
 
     int whoSick;
 
@@ -151,10 +132,7 @@ void DArray::pickRemove(int &ti, int &pe, int &tu, Animal *arr, Animal *arra, An
     }
 
     if (numOfAni <= 0) {
-        std::cout<<"I don't know how to say in this case, But you don't have any animal.so no animal dies."<<std::endl;
-
-        delete[] allAnimal;
-        //allAnimal = 0;
+        std::cout<<"I don't know if this is good, but you don't have any animals. So no animal dies today."<<std::endl;
     }
 
     else { //numOfAnimal>0
@@ -180,15 +158,12 @@ void DArray::pickRemove(int &ti, int &pe, int &tu, Animal *arr, Animal *arra, An
 
             for (int j = whoSick; j < roomOfTi; j++) {
 
-                //Tiger temp = arr[j];
-                Animal temp = arr[j];
-                //temp = arra[j];
+                Tiger temp = arr[j];
                 arr[j] = arr[j + 1];
                 arr[j + 1] = temp;
             }
             arr[roomOfTi - 1] = Tiger(0, 0.00, 0, 0.00, 0.00);
-            delete[] allAnimal;
-           // allAnimal = 0;
+
         }
             //A Penguin get sick and remove
         else if (whoSick >= ti && whoSick < ti + pe) {
@@ -201,9 +176,7 @@ void DArray::pickRemove(int &ti, int &pe, int &tu, Animal *arr, Animal *arra, An
             for (int j = sickP; j < roomOfPe; j++) {
 
 
-                //Penguin temp = arra[j];
-                Animal temp = arra[j];
-               // temp = arra[j];
+                Penguin temp = arra[j];
                 arra[j] = arra[j + 1];
                 arra[j + 1] = temp;
             }
@@ -214,8 +187,6 @@ void DArray::pickRemove(int &ti, int &pe, int &tu, Animal *arr, Animal *arra, An
             for(int i=0; i<roomOfTu; i++){
                 std::cout<<"number "<<i+1<<" : "<<array[i].getAge()<<" , "<<array[i].getCost()<<" "<<array[i].getNumOfBabies()<<std::endl;
             }
-            delete[] allAnimal;
-           // allAnimal = 0;
         }
 
 
@@ -230,24 +201,21 @@ void DArray::pickRemove(int &ti, int &pe, int &tu, Animal *arr, Animal *arra, An
 
             for (int j = sickTu; j < roomOfTu; j++) {
 
-               //Turtle temp = array[j];
-                Animal temp = array[j];
-               // temp = array[j];
+               Turtle temp = array[j];
                 array[j] = array[j + 1];
                 array[j + 1] = temp;
             }
             array[roomOfTu - 1] = Turtle(0, 0.00, 0, 0.00, 0.00);
 
-            delete[] allAnimal;
-           // allAnimal = 0;
         }
 
     }
+    delete[] allAnimal;
 
 }
-void DArray::whoHasBaby(int &numTi, int &numPen, int &numTurt, Animal *arr, Animal *arra, Animal *array){
-//void DArray::whoHasBaby(int &numTi, int &numPen, int &numTurt, Tiger *arr, Penguin *arra, Turtle *array){
-//void whoHasBaby(Tiger *arr, Penguin *arra, Turtle *array) {
+
+void DArray::whoHasBaby(int &numTi, int &numPen, int &numTurt, Tiger *arr, Penguin *arra, Turtle *array){
+
     Zoo zoo;
     int draw;
 
@@ -293,7 +261,7 @@ void DArray::whoHasBaby(int &numTi, int &numPen, int &numTurt, Animal *arr, Anim
         if (array[i].getAge() >= 3) {
             numAdTur += 1;
         }
-        std::cout<<"Age of Turtles: "<<i<<" : "<<array[i].getAge()<<std::endl;
+
     }
     std::cout << "Number of Adult Turtle: " << numAdTur << std::endl;
 
@@ -307,13 +275,6 @@ void DArray::whoHasBaby(int &numTi, int &numPen, int &numTurt, Animal *arr, Anim
         }
     }
 
-    //to just show an check
-    std::cout<<"Your Adult penguin: ";
-    for (int m = 0; m < numAdPen; m++) {
-
-        std::cout << "number " << adultPenguin[m]+1 <<" , ";
-    }
-
     int numAdAnimal = numAdTi + numAdPen + numAdTur;
 
     std::random_device ran1;
@@ -325,31 +286,21 @@ void DArray::whoHasBaby(int &numTi, int &numPen, int &numTurt, Animal *arr, Anim
     if (numAdAnimal <= 0) {
         std::cout << "Sorry. You don't have any adult animals. Maybe next time!" << std::endl;
 
-        delete[] adultTiger;
-        //adultTiger =0;
-        delete[] adultPenguin;
-        //adultPenguin =0;
-        delete[] adultTurtle;
-       // adultTurtle =0;
     }
 
-
     else {
         //A Tiger has a baby.
         if (draw < numAdTi) {
-            //Tiger ti;
-            //ti.cost;
-            //std::cout<<"Tiger cost inside whohasbaby fuct"<<std::endl;
+
             int chosenTi;
             chosenTi = adultTiger[draw];
-            std::cout << "Your tiger number: "<<chosenTi+1<< " has a baby. Congratulations!" << std::endl;
+            std::cout << "Your tiger number: "<<chosenTi+1<< " has a baby. Great, isn't it!" << std::endl;
 
             //Updates the baby record of the tiger who has a baby.
             std::cout<<"Add baby to the tiger: previous baby num: "<<arr[chosenTi].getNumOfBabies()<<std::endl;
 
             arr[chosenTi].setNumOfBabies(arr[chosenTi].getNumOfBabies() + 1);
             numTi +=1;
-            //zoo.setNumOfTig(numTi);
 
             std::cout<<"Add baby to the tiger: new baby num: "<<arr[chosenTi].getNumOfBabies()<<std::endl;
 
@@ -361,26 +312,16 @@ void DArray::whoHasBaby(int &numTi, int &numPen, int &numTurt, Animal *arr, Anim
 
             }
             //Add the new baby to the array of Tiger.
-            //arr[zoo.getNumOfTig() - 1] = Tiger(0, 10,000, 0, 10.00*5, 10,000*0.2);
             arr[numTi - 1] = Tiger(0, 10000.00, 0, zoo.baseCost*5, 10000.00*0.2);
 
-            delete[] adultTiger;
-           // adultTiger =0;
-            delete[] adultPenguin;
-           // adultPenguin =0;
-            delete[] adultTurtle;
-           // adultTurtle =0;
         }
 
             //A penguin has 5 babies.
-
         else if (draw >= numAdTi && draw < numAdTi + numAdPen) {
-            //Penguin pe;
-            //Animal *peng = new Penguin();
-           // peng->getCost();
+
             int chosenPen;
             chosenPen = adultPenguin[draw - numAdTi];
-            std::cout << "Your penguin number "<<chosenPen+1<<"  has 5 babies. Congratulations!" << std::endl;
+            std::cout << "Your penguin number "<<chosenPen+1<<"  has 5 babies. Fantastic!" << std::endl;
 
             //Updates the baby record of the Penguin who has babies.
             std::cout<<"Add baby to the Penguin: previous baby num: "<<arra[chosenPen].getNumOfBabies()<<std::endl;
@@ -390,10 +331,9 @@ void DArray::whoHasBaby(int &numTi, int &numPen, int &numTurt, Animal *arr, Anim
             std::cout<<"Add baby to the Penguin: new baby num: "<<arra[chosenPen].getNumOfBabies()<<std::endl;
 
             numPen +=5;
-            //zoo.setNumOfPeng(numPen);
+
             if (numPen >= roomOfPe) {
 
-                //issue occur point!
                 arrayPen(arra, roomOfPe);
                 std::cout<<"Room For penguin after resizing "<<roomOfPe<<std::endl;
 
@@ -403,12 +343,7 @@ void DArray::whoHasBaby(int &numTi, int &numPen, int &numTurt, Animal *arr, Anim
             for (int i = 0; i < 5; i++) {
                 arra[numPen - 5 + i] = Penguin(0, 1000.00, 0, zoo.baseCost, 1000.00*0.1);
             }
-            delete[] adultTiger;
-           // adultTiger =0;
-            delete[] adultPenguin;
-           // adultPenguin =0;
-            delete[] adultTurtle;
-           // adultTurtle =0;
+
         }
             //A turtle has 10 babies.
 
@@ -417,7 +352,7 @@ void DArray::whoHasBaby(int &numTi, int &numPen, int &numTurt, Animal *arr, Anim
 
             int chosenTurtle;
             chosenTurtle = adultTurtle[draw - numAdTi - numAdPen];
-            std::cout << "Your Turtle number "<<chosenTurtle +1<<" has 10 babies.Congratulations!" << std::endl;
+            std::cout << "Your Turtle number "<<chosenTurtle +1<<" has 10 babies.God blessed you!" << std::endl;
 
             std::cout<<"Add baby to the turtle: previous baby num: "<<array[chosenTurtle].getNumOfBabies()<<std::endl;
 
@@ -426,7 +361,6 @@ void DArray::whoHasBaby(int &numTi, int &numPen, int &numTurt, Animal *arr, Anim
             numTurt +=10;
 
             std::cout<<"Add baby to the turtle: New baby num: "<<array[chosenTurtle].getNumOfBabies()<<std::endl;
-            //zoo.setNumOfTurt(numTurt);
 
             if (numTurt >= roomOfTu) {
 
@@ -438,14 +372,11 @@ void DArray::whoHasBaby(int &numTi, int &numPen, int &numTurt, Animal *arr, Anim
             for (int i = 0; i < 10; i++) {
                 array[numTurt - 10 + i] = Turtle(0, 100.00, 0, zoo.baseCost, 100.00*0.05);
             }
-            delete[] adultTiger;
-           // adultTiger =0;
-            delete[] adultPenguin;
-           // adultPenguin =0;
-            delete[] adultTurtle;
-           // adultTurtle =0;
+
         }
 
     }
-
+    delete[] adultTiger;
+    delete[] adultPenguin;
+    delete[] adultTurtle;
 }
\ No newline at end of file
diff --git a/DArray.h b/DArray.h
index e023a24..94d0693 100644
--- a/DArray.h
+++ b/DArray.h
@@ -36,19 +36,12 @@ class DArray {
     void setRoomOfPe(int pe);
     int getRoomOfTu();
     void setRoomOfTu(int tu);
-    /***************************************
+
     void arrayTiger(Tiger *arr, int sizeOfTi);
     void arrayPen(Penguin *arra, int sizeOfPe);
     void arrayTur(Turtle *array, int sizeOfTu);
     void pickRemove(int &ti, int &pe, int &tu, Tiger *arr, Penguin *arra, Turtle *array);
     void whoHasBaby(int &rTiger, int &rPenguin, int &rTurtle, Tiger *arr, Penguin *arra, Turtle *array);
-     ****************************************/
-
-    void arrayTiger(Animal *arr, int sizeOfTi);
-    void arrayPen(Animal *arra, int sizeOfPe);
-    void arrayTur(Animal *array, int sizeOfTu);
-    void pickRemove(int &ti, int &pe, int &tu, Animal *arr, Animal *arra, Animal *array);
-    void whoHasBaby(int &rTiger, int &rPenguin, int &rTurtle, Animal *arr, Animal *arra, Animal *array);
 
 };
 
diff --git a/Zoo.cpp b/Zoo.cpp
index 5e11cba..0009bee 100644
--- a/Zoo.cpp
+++ b/Zoo.cpp
@@ -9,13 +9,15 @@
 #include "Zoo.h"
 #include "Animal.h"
 #include "inputVal.h"
-#include <iostream>
-#include <random>
 #include "Tiger.h"
 #include "Penguin.h"
 #include "Turtle.h"
 #include "DArray.h"
+#include <iostream>
+#include <random>
 #include <memory>
+#include <fstream>
+#include <string>
 
 Zoo::Zoo()=default;
 Zoo::~Zoo()=default;
@@ -86,25 +88,25 @@ void Zoo::play(){
     DArray room;
 
     room.setRoomOfTi(10);
-    //Tiger * arrayOfTi = new Tiger();
-    //Tiger * arrayOfTi = new Tiger[room.getRoomOfTi()];
-    Animal * arrayOfTi = new Tiger[room.getRoomOfTi()];
+
+    Tiger * arrayOfTi = new Tiger[room.getRoomOfTi()];
+    //Animal * arrayOfTi = new Tiger[room.getRoomOfTi()];
 
     for(int i=0; i<room.getRoomOfTi(); i++){
         arrayOfTi[i] = Tiger(0, 0.00, 0, 0.00, 0.00);
     }
 
     room.setRoomOfPe(10);
-    //Penguin * arrayOfPe = new Penguin[room.getRoomOfPe()];
-    Animal * arrayOfPe = new Penguin[room.getRoomOfPe()];
+    Penguin * arrayOfPe = new Penguin[room.getRoomOfPe()];
+    //Animal * arrayOfPe = new Penguin[room.getRoomOfPe()];
     for(int i=0; i<room.getRoomOfPe(); i++){
 
         arrayOfPe[i] = Penguin(0, 0.00, 0, 0.00, 0.00);
     }
 
     room.setRoomOfTu(10);
-    //Turtle * arrayOfTur = new Turtle[room.getRoomOfTu()];
-    Animal * arrayOfTur = new Turtle[room.getRoomOfTu()];
+    Turtle * arrayOfTur = new Turtle[room.getRoomOfTu()];
+    //Animal * arrayOfTur = new Turtle[room.getRoomOfTu()];
 
     for(int i=0; i<room.getRoomOfTu(); i++){
 
@@ -211,12 +213,31 @@ void Zoo::play(){
             arrayOfTur[i].setAge(arrayOfTur[i].getAge()+1);
         }
 
-
         double costPerDay;
+        double option;
+        int feedOpt;
+
+        std::cout<<"You have 3 options for feeding animals; Cheap, Generic, and Premium"<<std::endl;
+        std::cout<<"If you choose the Cheap one, you can save the cost by half but sickness become twice."<<std::endl;
+        std::cout<<"If you choose the premium, you need to pay twice, but sickness becomes half."<<std::endl;
+        std::cout<<"Please input 1 for Cheap one, 2 for Generic, or 3 for Premium!";
+        std::cin>>option;
+        feedOpt = inputVal(option);
+
+        if(!(feedOpt ==1 || feedOpt ==2 || feedOpt ==3)) {
+
+            do{
+                std::cin.clear();
+                std::cin.ignore(INT_MAX, '\n');
+                std::cout<<"Wrong input. You should input 1,2,or 3. Please try again: ";
+                std::cin>>option;
+                feedOpt = inputVal(option);
+
+            }while(!(feedOpt ==1 || feedOpt ==2 || feedOpt ==3));
+        }
+
         //Feed the animals and deduct the cost from the account.
         costPerDay = (numOfTig*baseCost*5)+(numOfPeng*baseCost)+(numOfTurt*baseCost*0.5);
-        std::cout<<"Today's feeding cost is "<<costPerDay<<std::endl;
-
 
         //Random Event!
         int event;
@@ -224,20 +245,80 @@ void Zoo::play(){
 
         std::random_device ran;
         std::mt19937 mt(ran());
-        std::uniform_int_distribution <int> dist(1, 3);
-        event = dist(mt);
 
+        if (feedOpt == 1) {
+
+            std::cout<<"\nYou chose cheap feeding option!"<<std::endl;
+            costPerDay =costPerDay/2;
+            std::cout<<"Today's feeding cost is "<<costPerDay<<std::endl;
+
+            int cheapOpt;
+
+            int dice[]={1,2,3,1,1,1};
+            std::uniform_int_distribution <int> dist7(0, 5);
+            cheapOpt = dist7(mt);
+
+            event = dice[cheapOpt];
+        }
+
+        else if (feedOpt == 3) {
+
+            std::cout<<"\nYou chose premium feeding option!"<<std::endl;
+            costPerDay =costPerDay*2;
+            std::cout<<"Today's feeding cost is "<<costPerDay<<std::endl;
+
+            int premOpt;
+
+            int dice2[] ={1,2,3,2,3,2};
+            std::uniform_int_distribution <int> dist8(0, 5);
+            premOpt = dist8(mt);
+
+            event = dice2[premOpt];
+        }
+
+        else{ // feedOpt == 2
+
+            std::cout<<"\nYou chose generic feeding option!"<<std::endl;
+            std::cout<<"Today's feeding cost is "<<costPerDay<<std::endl;
+
+            std::uniform_int_distribution <int> dist(1, 3);
+            event = dist(mt);
+
+        }
+
+        std::cout<<std::endl;
         std::cout<<"Today's event is: "<<event<<std::endl;
 
+        std::ofstream text;
+        text.open("note.txt", std::ios::out);
+
+        if(text.fail()) {
+            std::cout<<"note.txt"<<" could not be found"<<std::endl;
+            exit(1);
+        }
+
         //Sickness occurs and one animal that is chosen will die.
         if (event == 1) {
 
+            text<<"'I'm so sorry, but today one of your animals gets sick and die.'\n"<<std::endl;
+            text.close();
+
+            std::cout<<std::ifstream("note.txt").rdbuf();
+            std::ofstream del("note.txt", std::ios::out | std::ios::trunc);
+            del.close();
+
             room.pickRemove(numOfTig, numOfPeng, numOfTurt, arrayOfTi, arrayOfPe, arrayOfTur);
 
         }
         // A boom in zoo attendance occurs
         else if(event == 2){
             //another random need to set the bonus
+            text<<"'Good news for you, you win the bonus. Let's check how much it is!'\n"<<std::endl;
+            text.close();
+
+            std::cout<<std::ifstream("note.txt").rdbuf();
+            std::ofstream del("note.txt", std::ios::out | std::ios::trunc);
+            del.close();
 
              std::uniform_int_distribution <int> dist3(250, 500);
              bonus= dist3(mt);
@@ -245,35 +326,37 @@ void Zoo::play(){
              bonus = (bonus*numOfTig); //bonus * number of tiger
         }
 
-        //This event gives babies to the animal, "event ==3"
-        else{
+        else{//This event gives babies to the animal, "event ==3"
 
-            room.whoHasBaby(numOfTig, numOfPeng, numOfTurt, arrayOfTi, arrayOfPe, arrayOfTur);
+            text<<"'Congratulations! One of your animal is going to be a mom or dad!'\n"<<std::endl;
+            text.close();
 
-        }
+            std::cout<<std::ifstream("note.txt").rdbuf();
+            std::ofstream del("note.txt", std::ios::out | std::ios::trunc);
+            del.close();
 
+            room.whoHasBaby(numOfTig, numOfPeng, numOfTurt, arrayOfTi, arrayOfPe, arrayOfTur);
+        }
 
         double todayAIncome =numOfTig*tiger.getPayoff()+numOfPeng*penguin.getPayoff()+numOfTurt*turtle.getPayoff();
         double profit = todayAIncome + bonus - costPerDay;
         account= account + profit;
 
-        std::cout<<"Now it's the time to check your balance."<<std::endl;
+        std::cout<<"\nNow it's the time to check your balance."<<std::endl;
         std::cout<<"Today's Tiger payoff "<<numOfTig * tiger.getPayoff()<<std::endl;
        // std::cout<<"The Penguin's payoff "<<numOfPeng * penguin.getPayoff()<<std::endl;
         std::cout<<"The Turtle's payoff "<<numOfTurt * turtle.getPayoff()<<std::endl;
-        std::cout<<"So, Your income from admission fee is "<<todayAIncome<<std::endl;
+        std::cout<<"So, Your today's income from admission fee is "<<todayAIncome<<std::endl;
         std::cout<<"And, today's your bonus income is "<<bonus<<std::endl;
         std::cout<<"Today's your profit(Admission income + bonus - daily cost)= "<<profit<<std::endl;
         std::cout<<"Now your balance is "<<account<<std::endl;
 
-
-
         double buyNewOne;
         int buyNew;
 
         std::cin.clear();
         std::cin.ignore(INT_MAX, '\n');
-        std::cout<<"Pretty busy day, right? Now you can buy an adult animal."<<std::endl;
+        std::cout<<"\nPretty busy day, right? Now you can buy an adult animal."<<std::endl;
         std::cout<<"Currently, you have "<<numOfTig<<" Tigers, "<<numOfPeng<<" Penguins, "<<numOfTurt<<" Turtles"<<std::endl;
         std::cout<<"If you want to buy, input 1, otherwise (it you don't want to buy), click 2: ";
         std::cin>>buyNewOne;
@@ -295,7 +378,7 @@ void Zoo::play(){
             double buyChoice;
             int buyOneMore;
             std::cout
-                    << "So, you want to buy. Good! which animal will you buy; input 1 for Tiger, 2 for Penguin, and 3 for Turtle: ";
+                    << "\nSo, you want to buy. Good! which animal will you buy; input 1 for Tiger, 2 for Penguin, and 3 for Turtle: ";
             std::cin >> buyChoice;
             buyOneMore = inputVal(buyChoice);
 
@@ -358,10 +441,10 @@ void Zoo::play(){
 
         else //(buyNew ==2)
         {
-           std::cout<<"so you don't want to buy more. That's fine."<<std::endl;
+           std::cout<<"\nso you don't want to buy more. That's fine."<<std::endl;
         }
 
-        std::cout<<"Now you have "<<numOfTig<<" Tigers, "<<numOfPeng<<" Penguins, "<<numOfTurt<<" Turtles"<<std::endl;
+        std::cout<<"Now you have "<<numOfTig<<" Tigers, "<<numOfPeng<<" Penguins, "<<numOfTurt<<" Turtles\n"<<std::endl;
 
         std::cout<<"The Tiger is: "<<std::endl;
         for(int i=0; i<room.getRoomOfTi(); i++){
@@ -384,27 +467,24 @@ void Zoo::play(){
 
         std::cin.clear();
         std::cin.ignore(INT_MAX, '\n');
-        std::cout<<"If you want to play again, input 1. Otherwise, click any keys! ";
+        std::cout<<"\nIf you want to play again, input 1. Otherwise, click any keys! ";
         std::cin>>playAgain;
         std::cout<<std::endl;
 
     }while(playAgain == 1 && account > 0);
 
     if (account < 0){
-        std::cout<<"I'm sorry, but your account is empty. Play next time. Good buy!"<<std::endl;
+        std::cout<<"\nI'm sorry, but your account is empty. Play next time. Good buy!"<<std::endl;
     }
 
     //if(playAgain !=1) {
 
-    std::cout <<"You want to stop. Good bye! See you again!" << std::endl;
+    std::cout <<"\nYou want to stop. Good bye! See you again!" << std::endl;
     //}
 
 
     delete [] arrayOfTi;
-    arrayOfTi = 0;
     delete [] arrayOfPe;
-    arrayOfPe = 0;
     delete [] arrayOfTur;
-    arrayOfTur = 0;
 
 }
\ No newline at end of file
diff --git a/Zoo.h b/Zoo.h
index 0fb22b0..75f005b 100644
--- a/Zoo.h
+++ b/Zoo.h
@@ -14,19 +14,16 @@ class Zoo {
 
 protected:
 
-
-    //int day = 0;
+    int day = 0;
     int numOfTig =0;
     int numOfPeng =0;
     int numOfTurt =0;
 
 
-
 public:
     Zoo();
     ~Zoo();
-
-    /*************************
+    /***********************************
     int getDay();
     void setDay(int d);
     int getNumOfTig();
@@ -35,7 +32,7 @@ class Zoo {
     void setNumOfPeng(int pen);
     int getNumOfTurt();
     void setNumOfTurt(int turt);
-    *******************************/
+     **********************************/
     void play();
     double baseCost = 10.00;