"Replace odd numbers in 2d array with 0

#include <stdio.h>
#define row 4
#define col 4
void main(){
  int matrix[row][col] = {{21,29,12,13},{31, 92, 23, 94}, {25, 36, 87, 18}, {49, 10, 111, 92}};

  for (int i = 0; i < row; i++) {
    for (int j = 0; j < col; j++) {
      if (matrix[i][j] % 2 != 0) {
        matrix[i][j] = 0;
      }
    }
  }

  for (int i = 0; i < row; i++) {
    for (int j = 0; j < col; j++) {
      printf("%d ", matrix[i][j]);
    }
    printf("\n");
  }

  return 0;
}