addition of matrics

#include <conio.h>
#include <stdio.h>

void main()
{
   int m, n, c, d, first[10][10], second[10][10], sum[10][10];
   clrscr();
   printf("Enter the number of rows and columns of matrixn");
   scanf("%d%d", &m, &n);
   printf("Enter the elements of first matrixn");

   for ( c = 0 ; c < m ; c++ )
      for ( d = 0 ; d < n ; d++ )
  scanf("%d", &first[c][d]);

   printf("Enter the elements of second matrixn");

   for ( c = 0 ; c < m ; c++ )
      for ( d = 0 ; d < n ; d++ )
     scanf("%d", &second[c][d]);

   for ( c = 0 ; c < m ; c++ )
      for ( d = 0 ; d < n ; d++ )
  sum[c][d] = first[c][d] + second[c][d];

   printf("Sum of entered matrices:-n");

   for ( c = 0 ; c < m ; c++ )
   {
      for ( d = 0 ; d < n ; d++ )
  printf("%dt", sum[c][d]);

      printf("n");
   }
   getch();
}