using System;
public class Exercise14
{
    public static void Main()
    {
        int i,j,n;
        int[,] arr1 = new int[50,50];
        int[,] brr1 = new int[50,50];
        int[,] crr1 = new int[50,50];
        Console.Write("\n\nSubtraction of two Matrices :\n");
        Console.Write("------------------------------\n");
        Console.Write("Input the size of the square matrix (less than 5): ");
        n = Convert.ToInt32(Console.ReadLine());
        /* Stored values into the array*/
        Console.Write("Input elements in the first matrix :\n");
        for(i=0; i<n; i++)
            {
                for(j=0; j<n; j++)
                    {
                        Console.Write("element - [{0},{1}] : ",i,j);
                        arr1[i,j] = Convert.ToInt32(Console.ReadLine());
                    }
            }
        Console.Write("Input elements in the second matrix :\n");
        for(i=0; i<n; i++)
            {
                for(j=0; j<n; j++)
                    {
                        Console.Write("element - [{0},{1}] : ",i,j);
                        brr1[i,j] = Convert.ToInt32(Console.ReadLine());
                    }
            }
        Console.Write("\nThe First matrix is :\n");
        for(i=0; i<n; i++)
            {
                Console.Write("\n");
                for(j=0; j<n; j++)
                    Console.Write("{0}\t",arr1[i,j]);
            }
        Console.Write("\nThe Second matrix is :\n");
        for(i=0; i<n; i++)
            {
                Console.Write("\n");
                for(j=0; j<n; j++)
                    Console.Write("{0}\t",brr1[i,j]);
            }
        /* calculate the subtraction of the matrix */
        for(i=0; i<n; i++)
            for(j=0; j<n; j++)
                crr1[i,j]=arr1[i,j]-brr1[i,j];
        Console.Write("\nThe Subtraction of two matrix is : \n");
        for(i=0; i<n; i++)
            {
                Console.Write("\n");
                for(j=0; j<n; j++)
                    Console.Write("{0}\t",crr1[i,j]);
            }
        Console.Write("\n\n");
    }
}