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

using ll = int64_t;

ll H, W;
vector<string> S;

void input() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> H >> W;
    S.resize(H);
    for (ll i=0; i<H; ++i) cin >> S[i];
}

void solve() {
    for (ll i=0; i<H; ++i) {
        for (ll j=0; j<W-5; ++j) {
            if (S[i].substr(j, 6) == "yiwiy9") {
                S[i][j+4] = 'Y';
                j += 5;
            }
            else if (S[i].substr(j, 6) == "9yiwiy") {
                S[i][j+1] = 'Y';
                j += 5;
            }
        }
    }
    for (ll i=0; i<H; ++i) cout << S[i] << "\n";
}

int main() {
    input();
    solve();
    return 0;
}

/* 考察

*/