/* -*- coding: utf-8 -*-
 *
 * 3261.cc:  No.3261 yiwiy9 竊・yiwiY9 - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* constant */

const int MAX_W = 200;

/* typedef */

/* global variables */

char s[MAX_W + 4];

/* subroutines */

/* main */

int main() {
  int h, w;
  scanf("%d%d", &h, &w);

  for (int i = 0; i < h; i++) {
    scanf("%s", s);

    for (int j = 0; j < w;) {
      if (s[j] == 'y') { // right
	s[j + 4] = 'Y', j += 6;
      }
      else if (s[j] == '9') { // left
	s[j + 1] = 'Y', j += 6;
      }
      else
	j++;
    }

    puts(s);
  }

  return 0;
}