using System;

public class Program

{

    public static void Main()

    {

        int n1,n2,n3;

        Console.WriteLine("enter user input for first array element:-");

        n1 = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("enter user input for second array element:-");

        n2 = Convert.ToInt32(Console.ReadLine());

        int[] a1 = new int[n1];

        int[] a2 = new int[n2];

        n3=n1+n2;

        int i,j;

        int x;

        int[] a3 = new int[n3];

        Console.WriteLine("enter the first array element:-");

        for(i=0; i<n1;i++)

        {

            a1[i]=Convert.ToInt32(Console.ReadLine());

        }

        Console.WriteLine("enter the second array element:-");

        for(i=0;i<n2;i++)

        {

            a2[i]=Convert.ToInt32(Console.ReadLine());

        }

        Console.WriteLine("first array element are:-");

        for(i=0; i<n1;i++)

        {

            Console.WriteLine(a1[i]);

        }

        Console.WriteLine("second array element are:-");

        for(i=0; i<n2;i++)

        {

            Console.WriteLine(a2[i]);

        }

        Console.WriteLine("Merging of first and second array element are:-");

            for (i = 0; i < n1;i++)

            {

                a3[i] = a1[i];

            }

            for (i = 0,x = n1; x<n3 && i<n2; i++,x++)

            {

                a3[x] = a2[i];  

            }

           for (i = 0; i < n3;i++)

            {

                Console.WriteLine(a3[i]);

            }

​

            Console.WriteLine();

            Console.WriteLine("ascending of merging of first and second array element are:-");

            for(i=0;i<n3;i++)

            {

                for(j=i;j<n3;j++)

                {

                    if(a3[i]>a3[j])

                    {

                        int temp= a3[i];

                        a3[i]=a3[j];

                        a3[j]=temp;

                    }

                }

            }

            for(i=0;i<n3;i++)

            {

                Console.WriteLine(a3[i]);

            }

    }

}