#include <bits/stdc++.h>
using namespace std;

int main () {
  int h,w;
  cin >> h >> w;
  vector<string> grid(h);
  for(auto &el : grid) cin >> el;
  
  for(auto &s : grid){
    for(int i = 0; i < w; i++){
      if(i + 5 >= w) break;
      string yiwiy = s.substr(i, 6);
      if(yiwiy == "yiwiy9"){
        s[i + 4] = 'Y';
      } else if(yiwiy == "9yiwiy"){
        s[i + 1] = 'Y';
      } else {
        continue;
      }
      i += 5;
    }
  }
  
  for(auto &s : grid) cout << s << endl;
}