using System;

public class Program

{

     static void findMissing(int []a, int []b,

                            int n, int m)

    {

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

        {

            int j;

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

                if (a[i] == b[j])

                    break;

            if (j == m)

                Console.Write(a[i] + " ");

        }

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

        {

            int y;

            for (y = 0; y < n; y++)

                if ( b[y] == a[x] )

                    break;

            if (y == n)

                Console.Write(a[y] + " ");

        }

    }

    // Driver code

    public static void Main()

    {

        int []a = {2,4,6,8,10,12,14,16,18,20,22,24};

        int []b = {1, 2, 3, 4, 5,6};

        int n = a.Length;

        int m = b.Length;

        findMissing(a, b, n, m);

    }

}

​

​