/*
This program is an answer to the problem stated in mt1-4.txt.

Try rewriting this program to use an array for the c variables.
Be careful: an array of size 9 has entries [0], [1], ..., [8].
*/

#include <stdio.h>

int main(void)
{
  char c1 = '-'; char c2 = '-'; char c3 = '-';
  char c4 = '-'; char c5 = '-'; char c6 = '-';
  char c7 = '-'; char c8 = '-'; char c9 = '-';
  char p = 'X';
  int n;

  while (scanf("%d",&n) == 1) {
    if (n == 1) c1 = p; if (n == 2) c2 = p; if (n == 3) c3 = p;
    if (n == 4) c4 = p; if (n == 5) c5 = p; if (n == 6) c6 = p;
    if (n == 7) c7 = p; if (n == 8) c8 = p; if (n == 9) c9 = p;
    printf("%c%c%c\n",c1,c2,c3);
    printf("%c%c%c\n",c4,c5,c6);
    printf("%c%c%c\n",c7,c8,c9);
    if (p == 'X') p = 'O'; else p = 'X';
  }

  return 0;
}