diff --git a/src/am/homeworks/tasks/DigitsGeneralsMethod.java b/src/am/homeworks/tasks/DigitsGeneralsMethod.java
new file mode 100644
index 0000000..8093792
--- /dev/null
+++ b/src/am/homeworks/tasks/DigitsGeneralsMethod.java
@@ -0,0 +1,76 @@
+package am.homeworks.tasks;
+
+import java.util.Scanner;
+
+public  abstract   class DigitsGeneralsMethod   {
+
+    public static final int ARRAY_SIZE_FOR_THREE_NUMBERS_TASK = 3;
+    public static final int ARRAY_SIZE_FOR_FOUR_NUMBERS_TASK = 4;
+
+    protected   abstract void calculateResult();
+
+    protected int[] getArrayNumbers() {
+
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Entered  size valuue");
+        int arrayLength = scanner.nextInt();
+        int [] array =  new int[arrayLength];
+        for (int i = 0; i < array.length; i++) {
+            array[i]=scanner.nextInt();
+        }
+        return array;
+
+    }
+
+    protected int[] sortArray(final int[] numbers) {
+        for (int i = 0; i < numbers.length; i++) {
+            for (int j = 1; j < (numbers.length - i); j++) {
+                if (numbers[j - 1] > numbers[j]) {
+                    //swap elements
+                    int temp = numbers[j - 1];
+                    numbers[j - 1] = numbers[j];
+                    numbers[j] = temp;
+                }
+
+            }
+        }
+
+        return numbers;
+    }
+
+    protected void printResult(String message, int result) {
+        System.out.println(message + ": " + result);
+    }
+
+    protected void printResult(String message) {
+        System.out.println(message);
+    }
+
+    protected void printResult(boolean bool) {
+        System.out.println(bool);
+    }
+
+    protected int[] createArrayFromInput(int firstNumber, int secondNumber, int thirdNumber) {
+        int[] array = new int[ARRAY_SIZE_FOR_THREE_NUMBERS_TASK];
+        array[0] = firstNumber;
+        array[1] = secondNumber;
+        array[2] = thirdNumber;
+        return array;
+    }
+    protected int[] createArrayFromInput(int firstNumber, int secondNumber, int thirdNumber, int fourthNumber) {
+
+        int[] array = new int[ARRAY_SIZE_FOR_FOUR_NUMBERS_TASK];
+        array[0] = firstNumber;
+        array[1] = secondNumber;
+        array[2] = thirdNumber;
+        array[3] = fourthNumber;
+        return array;
+    }
+    protected int[] createArrayFromInput(int ... arrays) {
+
+        printResult("The   arguments length",arrays.length);
+        return arrays;
+    }
+
+
+}
diff --git a/src/am/homeworks/tasks/Task_21.java b/src/am/homeworks/tasks/Task_21.java
new file mode 100644
index 0000000..8e3856d
--- /dev/null
+++ b/src/am/homeworks/tasks/Task_21.java
@@ -0,0 +1,17 @@
+package am.homeworks.tasks;
+import java.util.Scanner;
+public class Task_21 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        int a = scanner.nextInt(), b =scanner.nextInt(), c =scanner.nextInt();
+        int max = a;
+        if (max < a) {
+            max = a;
+        } else if (max < b) {
+            max = b;
+        } else if (max < c) {
+            max = c;
+        }
+        System.out.println(max);
+    }
+}
diff --git a/src/am/homeworks/tasks/Task_22.java b/src/am/homeworks/tasks/Task_22.java
new file mode 100644
index 0000000..158ad8b
--- /dev/null
+++ b/src/am/homeworks/tasks/Task_22.java
@@ -0,0 +1,20 @@
+package am.homeworks.tasks;
+import  java.util.Scanner;
+public class Task_22 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        int a = scanner.nextInt(), b =scanner.nextInt(), c =scanner.nextInt();
+
+        int sum = a+b+c;
+        int min = a;
+        if (min > a) {
+            min = a;
+        } else if (min > b) {
+            min = b;
+        } else if (min > c) {
+            min = c;
+        }
+        System.out.println(min);
+
+    }
+}
diff --git a/src/am/homeworks/tasks/Task_23.java b/src/am/homeworks/tasks/Task_23.java
new file mode 100644
index 0000000..8a696af
--- /dev/null
+++ b/src/am/homeworks/tasks/Task_23.java
@@ -0,0 +1,17 @@
+package am.homeworks.tasks;
+
+import java.util.Scanner;
+
+public class Task_23 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        int a = scanner.nextInt(), b =scanner.nextInt(), c =scanner.nextInt();
+        boolean bool ;
+        if(a == 1 || b == 1 || c ==1 ){
+            bool  = true;
+        }else {
+            bool = false;
+        }
+        System.out.println(bool);
+    }
+}
diff --git a/src/am/homeworks/tasks/Task_24.java b/src/am/homeworks/tasks/Task_24.java
new file mode 100644
index 0000000..82c3a86
--- /dev/null
+++ b/src/am/homeworks/tasks/Task_24.java
@@ -0,0 +1,17 @@
+package am.homeworks.tasks;
+
+import java.util.Scanner;
+
+public class Task_24 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        int a = scanner.nextInt(), b =scanner.nextInt(), c =scanner.nextInt();
+        boolean bool ;
+        if(a == 2 && b == 2 || a == 2 && c == 2 || c == 2 && b == 2   ){
+            bool  = true;
+        }else {
+            bool = false;
+        }
+        System.out.println(bool);
+    }
+}
diff --git a/src/am/homeworks/tasks/Task_25.java b/src/am/homeworks/tasks/Task_25.java
new file mode 100644
index 0000000..f1555eb
--- /dev/null
+++ b/src/am/homeworks/tasks/Task_25.java
@@ -0,0 +1,16 @@
+package am.homeworks.tasks;
+
+import java.util.Scanner;
+
+public class Task_25 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        int a = scanner.nextInt(), b =scanner.nextInt(), c =scanner.nextInt();
+
+        if (a + b > c || c + b > a || c + a > b) {
+            System.out.println("y=1");
+        } else {
+            System.out.println("y=2");
+        }
+    }
+}
diff --git a/src/am/homeworks/tasks/Task_26.java b/src/am/homeworks/tasks/Task_26.java
new file mode 100644
index 0000000..d00211f
--- /dev/null
+++ b/src/am/homeworks/tasks/Task_26.java
@@ -0,0 +1,18 @@
+package am.homeworks.tasks;
+
+import java.util.Scanner;
+
+public class Task_26 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        int a = scanner.nextInt(), b =scanner.nextInt(), c =scanner.nextInt();
+        int bool ;
+        if(a % 2 == 0 || b % 2 == 0 || c % 2 == 0 ){
+            bool = 1;
+        }else {
+            bool = 2;
+        }
+        System.out.println(bool);
+
+    }
+}
diff --git a/src/am/homeworks/tasks/Task_27.java b/src/am/homeworks/tasks/Task_27.java
new file mode 100644
index 0000000..dfacd4f
--- /dev/null
+++ b/src/am/homeworks/tasks/Task_27.java
@@ -0,0 +1,17 @@
+package am.homeworks.tasks;
+
+import java.util.Scanner;
+
+public class Task_27 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        int a = scanner.nextInt(), b =scanner.nextInt(), c =scanner.nextInt();
+        boolean bool ;
+        if((a+c)/2 == b ){
+            bool = true;
+        }else {
+            bool = false;
+        }
+        System.out.println(bool);
+    }
+}
diff --git a/src/am/homeworks/tasks/Task_28.java b/src/am/homeworks/tasks/Task_28.java
new file mode 100644
index 0000000..4112f1b
--- /dev/null
+++ b/src/am/homeworks/tasks/Task_28.java
@@ -0,0 +1,18 @@
+package am.homeworks.tasks;
+
+import java.util.Scanner;
+
+public class Task_28 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        int a = scanner.nextInt(), b =scanner.nextInt(), c =scanner.nextInt();
+            boolean bool ;
+            if(c/b == b/a ){
+                bool = true;
+            }else {
+                bool = false;
+            }
+            System.out.println(bool);
+
+    }
+}
diff --git a/src/am/homeworks/tasks/Task_29.java b/src/am/homeworks/tasks/Task_29.java
new file mode 100644
index 0000000..eeb3d41
--- /dev/null
+++ b/src/am/homeworks/tasks/Task_29.java
@@ -0,0 +1,25 @@
+package am.homeworks.tasks;
+
+import java.util.Scanner;
+
+public class Task_29 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        int a = scanner.nextInt(), b =scanner.nextInt(), c =scanner.nextInt();
+        if (a < b && b < c) {
+            System.out.println(a + " " + b + " " + c);
+        } else if (a < c && c < b) {
+            System.out.println(a + " " + c + " " + b);
+        } else if(b < c && c < a){
+            System.out.println(b + " " + c + " " + a);
+        } else if(b < a && a < c){
+            System.out.println(b + " " + c + " " + a);
+        } else if(c < a && a < b){
+            System.out.println(b + " " + c + " " + a);
+        } else if(c < b && b < a){
+            System.out.println(c + " " + b + " " + a);
+        }
+
+
+    }
+}
\ No newline at end of file
diff --git a/src/am/homeworks/tasks/Task_30.java b/src/am/homeworks/tasks/Task_30.java
new file mode 100644
index 0000000..c4b30ba
--- /dev/null
+++ b/src/am/homeworks/tasks/Task_30.java
@@ -0,0 +1,25 @@
+package am.homeworks.tasks;
+
+import java.util.Scanner;
+
+public class Task_30 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        int a = scanner.nextInt(), b =scanner.nextInt(), c =scanner.nextInt();
+        if (a > b && b > c) {
+            System.out.println(a + " " + b + " " + c);
+        } else if (a > c && c > b) {
+            System.out.println(a + " " + c + " " + b);
+        } else if(b > c && c > a){
+            System.out.println(b + " " + c + " " + a);
+        } else if(b > a && a > c){
+            System.out.println(b + " " + c + " " + a);
+        } else if(c > a && a > b){
+            System.out.println(b + " " + c + " " + a);
+        } else if(c > b && b > a){
+            System.out.println(c + " " + b + " " + a);
+        }
+
+
+    }
+}
\ No newline at end of file
diff --git a/src/am/homeworks/tasks/checkFourDigits/EqualsOne.java b/src/am/homeworks/tasks/checkFourDigits/EqualsOne.java
new file mode 100644
index 0000000..f1ff49f
--- /dev/null
+++ b/src/am/homeworks/tasks/checkFourDigits/EqualsOne.java
@@ -0,0 +1,32 @@
+package am.homeworks.tasks.checkFourDigits;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+public class EqualsOne extends DigitsGeneralsMethod {
+    @Override
+    public void calculateResult() {
+
+        int[] array = createArrayFromInput(5,7,6,8);
+        int count = 1;
+
+        for (int i = 0; i < array.length; i++) {
+            if (array[i] == 2) {
+                System.out.println(count);
+                count++;
+            }
+        }
+        if (count >= 2) {
+            printResult(true);
+        } else {
+            printResult(false);
+        }
+
+    }
+
+    public static void main(String[] args) {
+
+        EqualsOne equalsOne = new EqualsOne();
+        equalsOne.calculateResult();
+
+    }
+}
diff --git a/src/am/homeworks/tasks/checkFourDigits/EqualtyTwoNumbersSums.java b/src/am/homeworks/tasks/checkFourDigits/EqualtyTwoNumbersSums.java
new file mode 100644
index 0000000..f76b08d
--- /dev/null
+++ b/src/am/homeworks/tasks/checkFourDigits/EqualtyTwoNumbersSums.java
@@ -0,0 +1,31 @@
+package am.homeworks.tasks.checkFourDigits;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+/**
+ * The numbers entered are checked by the numbers equal to the sum of two or two numbers
+ */
+public class EqualtyTwoNumbersSums extends DigitsGeneralsMethod {
+    @Override
+    public void calculateResult() {
+
+        int[] array = createArrayFromInput(5,7,6,8);
+        boolean bool = array[0] + array[1] == array[2] + array[3] ||
+                array[0] + array[2] == array[1] + array[3] ||
+                array[0] + array[3] == array[2] + array[1];
+
+        if (bool) {
+            printResult("y=1");
+        } else {
+            printResult("y=2");
+        }
+
+    }
+
+    public static void main(String[] args) {
+
+        EqualtyTwoNumbersSums equaltyTwoNumbersSums = new EqualtyTwoNumbersSums();
+        equaltyTwoNumbersSums.calculateResult();
+
+    }
+}
diff --git a/src/am/homeworks/tasks/checkFourDigits/MaxValue.java b/src/am/homeworks/tasks/checkFourDigits/MaxValue.java
new file mode 100644
index 0000000..489c627
--- /dev/null
+++ b/src/am/homeworks/tasks/checkFourDigits/MaxValue.java
@@ -0,0 +1,23 @@
+package am.homeworks.tasks.checkFourDigits;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+/**
+ * Getting signed in numbers  max value
+ */
+public class MaxValue extends DigitsGeneralsMethod {
+    @Override
+    public void  calculateResult() {
+
+        int[] array = createArrayFromInput(5,7,6,8);
+        int[] sortedArray = sortArray(array);
+
+        printResult("The max  value ", sortedArray[sortedArray.length - 1]);
+
+    }
+
+    public static void main(String[] args) {
+     MaxValue maxValue =new MaxValue();
+     maxValue.calculateResult();
+    }
+}
diff --git a/src/am/homeworks/tasks/checkFourDigits/MinValue.java b/src/am/homeworks/tasks/checkFourDigits/MinValue.java
new file mode 100644
index 0000000..3e54c55
--- /dev/null
+++ b/src/am/homeworks/tasks/checkFourDigits/MinValue.java
@@ -0,0 +1,26 @@
+package am.homeworks.tasks.checkFourDigits;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+/**
+ * Getting signed in numbers  min value
+ */
+
+public class MinValue extends DigitsGeneralsMethod {
+    @Override
+    public void calculateResult() {
+
+        final int[] array = createArrayFromInput(5,7,6,8);
+        final int[] sortedArray = sortArray(array);
+
+        printResult("The min value ", sortedArray[0]);
+
+    }
+
+    public static void main(String[] args) {
+
+        MinValue minValue = new MinValue();
+        minValue.calculateResult();
+
+    }
+}
diff --git a/src/am/homeworks/tasks/checkFourDigits/SortGrowing.java b/src/am/homeworks/tasks/checkFourDigits/SortGrowing.java
new file mode 100644
index 0000000..e1b97d1
--- /dev/null
+++ b/src/am/homeworks/tasks/checkFourDigits/SortGrowing.java
@@ -0,0 +1,25 @@
+package am.homeworks.tasks.checkFourDigits;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+/**
+ * Getting signed in numbers  sort Growing
+ */
+public class SortGrowing extends DigitsGeneralsMethod {
+    @Override
+    public void  calculateResult() {
+
+        int[] array = createArrayFromInput(5,7,6,8);
+        int[] sortedArray = sortArray(array);
+        for (int i:sortedArray) {
+            printResult("The index " + i + " value ", sortedArray[i]);
+        }
+
+
+    }
+
+    public static void main(String[] args) {
+        SortGrowing sortGrowing =new SortGrowing();
+        sortGrowing.calculateResult();
+    }
+}
diff --git a/src/am/homeworks/tasks/checkFourDigits/SortReduction.java b/src/am/homeworks/tasks/checkFourDigits/SortReduction.java
new file mode 100644
index 0000000..c2c8d18
--- /dev/null
+++ b/src/am/homeworks/tasks/checkFourDigits/SortReduction.java
@@ -0,0 +1,25 @@
+package am.homeworks.tasks.checkFourDigits;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+/**
+ * Getting signed in numbers  sort Reduction
+ */
+public class SortReduction extends DigitsGeneralsMethod {
+    @Override
+    public void calculateResult() {
+
+        int[] array = createArrayFromInput(5,7,6,8);
+        int[] sortedArray = sortArray(array);
+        for (int i = sortedArray.length - 1; i > 0; i--) {
+            printResult("index" + i, sortedArray[i]);
+        }
+
+    }
+
+    public static void main(String[] args) {
+        SortReduction sortReduction =new SortReduction();
+        sortReduction.calculateResult();
+    }
+
+}
diff --git a/src/am/homeworks/tasks/checkFourDigits/TwoNumbersEqualsTwo.java b/src/am/homeworks/tasks/checkFourDigits/TwoNumbersEqualsTwo.java
new file mode 100644
index 0000000..fb000d9
--- /dev/null
+++ b/src/am/homeworks/tasks/checkFourDigits/TwoNumbersEqualsTwo.java
@@ -0,0 +1,30 @@
+package am.homeworks.tasks.checkFourDigits;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+/**
+ * Accessed numbers checks the equality of one
+ */
+public class TwoNumbersEqualsTwo  extends DigitsGeneralsMethod {
+    @Override
+    public void  calculateResult() {
+
+        int[] array = createArrayFromInput(5,7,6,8);
+        for (int i = 0; i <array.length ; i++) {
+            if(array[i] == 1){
+                printResult(true);
+                break;
+            }else{
+                printResult(false);
+            }
+        }
+
+    }
+
+    public static void main(String[] args) {
+
+       TwoNumbersEqualsTwo twoNumbersEqualsTwo = new TwoNumbersEqualsTwo();
+       twoNumbersEqualsTwo.calculateResult();
+
+    }
+}
diff --git a/src/am/homeworks/tasks/digitsInArraysCheck/Task21maxValue.java b/src/am/homeworks/tasks/digitsInArraysCheck/Task21maxValue.java
new file mode 100644
index 0000000..ba298e1
--- /dev/null
+++ b/src/am/homeworks/tasks/digitsInArraysCheck/Task21maxValue.java
@@ -0,0 +1,28 @@
+package am.homeworks.tasks.digitsInArraysCheck;
+
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+/**
+ * Class calculate max value from array
+ */
+public class Task21maxValue extends DigitsGeneralsMethod {
+
+    @Override
+    public void  calculateResult() {
+
+        int[] array = createArrayFromInput(5,7,6);
+
+        int[] sortedArray = sortArray(array);
+
+        printResult("The max  value ", sortedArray[sortedArray.length - 1]);
+
+    }
+
+    public static void main(String[] args) {
+
+        Task21maxValue objectMax = new Task21maxValue();
+        objectMax.calculateResult();
+
+    }
+}
diff --git a/src/am/homeworks/tasks/digitsInArraysCheck/Task22minValue.java b/src/am/homeworks/tasks/digitsInArraysCheck/Task22minValue.java
new file mode 100644
index 0000000..0b903e5
--- /dev/null
+++ b/src/am/homeworks/tasks/digitsInArraysCheck/Task22minValue.java
@@ -0,0 +1,19 @@
+package am.homeworks.tasks.digitsInArraysCheck;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+public class Task22minValue extends DigitsGeneralsMethod {
+    public  void calculateResult(){
+
+        int[] array = createArrayFromInput(5,7,6);
+        int[] sortedArray = sortArray(array);
+
+        printResult("The min  value ", sortedArray[0]);
+
+    }
+
+    public static void main(String[] args) {
+        Task22minValue task_22_minValue = new Task22minValue();
+        task_22_minValue.calculateResult();
+    }
+}
diff --git a/src/am/homeworks/tasks/digitsInArraysCheck/Task23Boolean.java b/src/am/homeworks/tasks/digitsInArraysCheck/Task23Boolean.java
new file mode 100644
index 0000000..ba4d845
--- /dev/null
+++ b/src/am/homeworks/tasks/digitsInArraysCheck/Task23Boolean.java
@@ -0,0 +1,25 @@
+package am.homeworks.tasks.digitsInArraysCheck;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+public class Task23Boolean extends DigitsGeneralsMethod {
+    public  void calculateResult(){
+
+        int[] array = createArrayFromInput(5,7,6);
+
+        for (int i = 0; i <array.length ; i++) {
+            if(array[i] == 1){
+                System.out.println(true);
+                break;
+            }else{
+                System.out.println(false);
+            }
+        }
+
+    }
+
+    public static void main(String[] args) {
+        Task23Boolean task_23_boolean = new Task23Boolean();
+        task_23_boolean.calculateResult();
+    }
+}
diff --git a/src/am/homeworks/tasks/digitsInArraysCheck/Task24Boolean.java b/src/am/homeworks/tasks/digitsInArraysCheck/Task24Boolean.java
new file mode 100644
index 0000000..fb2c3a5
--- /dev/null
+++ b/src/am/homeworks/tasks/digitsInArraysCheck/Task24Boolean.java
@@ -0,0 +1,29 @@
+package am.homeworks.tasks.digitsInArraysCheck;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+public class Task24Boolean extends DigitsGeneralsMethod {
+    public void calculateResult() {
+        int[] array = createArrayFromInput(5,7,6);
+
+        int count = 1;
+
+        for (int i = 0; i < array.length; i++) {
+            if (array[i] == 2) {
+                System.out.println(count);
+                count++;
+            }
+        }
+        if (count >= 2) {
+            System.out.println(true);
+        } else {
+            System.out.println(false);
+        }
+
+    }
+
+    public static void main(String[] args) {
+        Task24Boolean task_24_boolean = new Task24Boolean();
+        task_24_boolean.calculateResult();
+    }
+}
diff --git a/src/am/homeworks/tasks/digitsInArraysCheck/Task25Boolean.java b/src/am/homeworks/tasks/digitsInArraysCheck/Task25Boolean.java
new file mode 100644
index 0000000..527b91b
--- /dev/null
+++ b/src/am/homeworks/tasks/digitsInArraysCheck/Task25Boolean.java
@@ -0,0 +1,27 @@
+package am.homeworks.tasks.digitsInArraysCheck;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+public class Task25Boolean extends DigitsGeneralsMethod {
+    public void calculateResult() {
+        int[] array = createArrayFromInput(5,7,6);
+        if(array.length == 3){
+
+            if (array[0] + array[1] > array[2] || array[2] + array[1] > array[0]  || array[2] + array[0] > array[1] ) {
+                System.out.println("y=1");
+            } else {
+                System.out.println("y=2");
+            }
+        }else{
+            calculateResult();
+        }
+
+
+
+    }
+
+    public static void main(String[] args) {
+        Task25Boolean task_25_boolean = new Task25Boolean();
+        task_25_boolean.calculateResult();
+    }
+}
diff --git a/src/am/homeworks/tasks/digitsInArraysCheck/Task26matchNumber.java b/src/am/homeworks/tasks/digitsInArraysCheck/Task26matchNumber.java
new file mode 100644
index 0000000..aa4f4b5
--- /dev/null
+++ b/src/am/homeworks/tasks/digitsInArraysCheck/Task26matchNumber.java
@@ -0,0 +1,24 @@
+package am.homeworks.tasks.digitsInArraysCheck;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+public class Task26matchNumber extends DigitsGeneralsMethod {
+
+    public void calculateResult() {
+
+        int[] array = createArrayFromInput(5,7,6);
+       // int[] sortedArray = sortArray(array);
+
+        for (int anArray : array) {
+            if (anArray % 2 == 0) {
+                System.out.println(true);
+                break;
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+        Task26matchNumber task_26_matchNumber =new Task26matchNumber();
+        task_26_matchNumber.calculateResult();
+    }
+}
diff --git a/src/am/homeworks/tasks/digitsInArraysCheck/Task27ArithmeticProgression.java b/src/am/homeworks/tasks/digitsInArraysCheck/Task27ArithmeticProgression.java
new file mode 100644
index 0000000..c5c2097
--- /dev/null
+++ b/src/am/homeworks/tasks/digitsInArraysCheck/Task27ArithmeticProgression.java
@@ -0,0 +1,24 @@
+package am.homeworks.tasks.digitsInArraysCheck;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+public class Task27ArithmeticProgression extends DigitsGeneralsMethod {
+    public void calculateResult() {
+        int[] array = createArrayFromInput(5,7,6);
+        for (int i = 1; i <array.length ; i++) {
+            if((array[i-1] +array[i+1])/2 == array[i]){
+                System.out.println(true);
+            }else{
+                System.out.println(false);
+            }
+        }
+
+
+
+    }
+
+    public static void main(String[] args) {
+        Task27ArithmeticProgression task_27_arithmeticProgression = new Task27ArithmeticProgression();
+        task_27_arithmeticProgression.calculateResult();
+    }
+}
diff --git a/src/am/homeworks/tasks/digitsInArraysCheck/Task28GeometricProgression.java b/src/am/homeworks/tasks/digitsInArraysCheck/Task28GeometricProgression.java
new file mode 100644
index 0000000..c830772
--- /dev/null
+++ b/src/am/homeworks/tasks/digitsInArraysCheck/Task28GeometricProgression.java
@@ -0,0 +1,23 @@
+package am.homeworks.tasks.digitsInArraysCheck;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+public class Task28GeometricProgression extends DigitsGeneralsMethod {
+    public void calculateResult() {
+        int[] array = createArrayFromInput(5,7,6);
+        for (int i = 1; i < array.length; i++) {
+            if (array[i + 2] / array[i + 1] == array[i + 1] / array[i]) {
+                System.out.println(true);
+            } else {
+                System.out.println(false);
+            }
+        }
+
+
+    }
+
+    public static void main(String[] args) {
+        Task28GeometricProgression task_28_geometricProgression = new Task28GeometricProgression();
+        task_28_geometricProgression.calculateResult();
+    }
+}
diff --git a/src/am/homeworks/tasks/digitsInArraysCheck/Task29SortA.java b/src/am/homeworks/tasks/digitsInArraysCheck/Task29SortA.java
new file mode 100644
index 0000000..21be991
--- /dev/null
+++ b/src/am/homeworks/tasks/digitsInArraysCheck/Task29SortA.java
@@ -0,0 +1,21 @@
+package am.homeworks.tasks.digitsInArraysCheck;
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+public class Task29SortA extends DigitsGeneralsMethod {
+    public void calculateResult() {
+
+        int[] array = createArrayFromInput(5,7,6);
+
+        int[] sortedArray = sortArray(array);
+
+        for (int anArray : array) {
+            System.out.println(anArray);
+        }
+    }
+
+    public static void main(String[] args) {
+        Task29SortA task29sortA = new Task29SortA();
+        task29sortA.calculateResult();
+    }
+}
diff --git a/src/am/homeworks/tasks/digitsInArraysCheck/Task30SortB.java b/src/am/homeworks/tasks/digitsInArraysCheck/Task30SortB.java
new file mode 100644
index 0000000..f43f111
--- /dev/null
+++ b/src/am/homeworks/tasks/digitsInArraysCheck/Task30SortB.java
@@ -0,0 +1,20 @@
+package am.homeworks.tasks.digitsInArraysCheck;
+
+
+import am.homeworks.tasks.DigitsGeneralsMethod;
+
+public class Task30SortB extends DigitsGeneralsMethod {
+    public void calculateResult() {
+        int[] array = createArrayFromInput(5,7,6);
+        int[] sortedArray = sortArray(array);
+        for (int i = array.length-1; i > 0; i--) {
+            System.out.println(i);
+        }
+
+    }
+
+    public static void main(String[] args) {
+        Task30SortB  task30SortB = new Task30SortB ();
+        task30SortB.calculateResult();
+    }
+}