#include <stdio.h>

int main () {

   /* an array with 7 rows and 7 columns*/
   int a[7][7] = { {0,0,0,0,0,0,0}, {0,0,0,0,0,0,0}, {0,0,4,0,0,0}, {0,0,3,0,0,0,0},{0,0,1,0,0,0,0},{0,0,0,0,0,0,0},{0,0,0,0,0,0,0}};
   int i, j;

   /* output each array element's value */
   for ( i = 0; i < 7; i++ ) {

      for ( j = 0; j < 7; j++ ) {
         printf("a[%d][%d] = %d\n", i,j, a[i][j] );
      }
   }

   return 0;
}