using System;

​

public class Program

{

    //Q12: There are two arrays: array1 and array2. The user gets the option to select the size of the array. Get the values of array 1 and arraay2 from the user. 

    //Combine both arrays to make a single array, array 3. Print array3

    public static void Main()

    {

        Console.Write("Enter the size of the array 1 : ");

        int m = Int32.Parse(Console.ReadLine());

        int[] ary1 = new int[m];

        for (int i = 0; i < m; i++)

        {

            ary1[i] = Int32.Parse(Console.ReadLine());

        }

​

        int count = 0;

        int index = 0;

        int[] ary2 = new int[m];

        for (int j = 0; j < m; j++)

        {

            int number = ary1[j];

            for (int i = 1; i <= number; i++)

            {

                if (number % i == 0)

                {

                    count++;

                }

            }

​

            if (count == 2)

            {

                ary2[index] = ary1[j];

                index++;

            }

        }

​

        int[] ary3 = new int[index];

        int index2 = 0;

        for (int j = index - 1; j >= 0; j--)

        {

            ary3[j] = ary2[index2];

            index2++;

        }

    }

}