Addition of two Matrix

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

void main()
{
   int i,j,k,a[3][3],b[3][3],c[3][3];

   printf("Enter the element 1st matrix\n");

   for ( i = 0 ; i < 3 ; i++ )
      for ( j = 0 ; j < 3 ; j++ )
         scanf("%d", &a[i][j]);

   printf("Enter the element 2nd matrix\n");

   for ( i = 0 ; i < 3 ; i++ )
      for ( j = 0 ; j < 3; j++ )
            scanf("%d", &b[i][j]);

   for ( i = 0 ; i< 3 ; i++ )
      for ( j= 0 ; j < 3 ; j++ )
         c[i][j] = a[i][j] + b[i][j];

   printf("Sum of the matrices:-");

   for ( i = 0 ; i < 3 ; i++ )
   {
      for ( j = 0 ; j< 3 ; j++ )
         printf("%d\t", c[i][j]);

      printf("\n");
   }
}