#include <bits/stdc++.h>

#include <atcoder/all>
using namespace std;
using i32 = int;
using u32 = unsigned int;
using i64 = long long;
using u64 = unsigned long long;
#define FAST_IO                \
  ios::sync_with_stdio(false); \
  cin.tie(0);
const i64 INF = 1001001001001001001;
using Modint = atcoder::static_modint<998244353>;

int main() {
  FAST_IO

  int H, W;
  cin >> H >> W;

  vector<string> S(H);
  for (int i = 0; i < H; i++) {
    cin >> S[i];
  }

  string s1 = "yiwiy9";
  string s2 = "9yiwiy";
  for (int i = 0; i < H; i ++) {
    for (int j = 0; j < W; j++) {
      if (S[i][j] == '9') {
        S[i][j + 1] = 'Y';
        j += 5;

      } else if (S[i][j] == 'y') {
        S[i][j + 4] = 'Y';
        j += 5;
      }
    }
  }
  for (int i = 0; i < H; i++) {
    cout << S[i] << endl;
  }
}