#include <atcoder/all>
#include <bits/stdc++.h>


using namespace std;
using namespace atcoder;

using ll = long long;
using v_int = vector<int>;
using v_ll = vector<long long>;
using vv_int = vector<vector<int>>;
using vv_ll = vector<vector<long long>>;
using p_ii = pair<int,int>;
using p_ll = pair<ll,ll>;
using v_string = vector<string>;
#define rep(i, n) for (ll i = 0; i < (int)(n); i++)
#define ALL(a) (a).begin(), (a).end()

long long INF = 1LL<<60; 


int main(){
    ll H,W;
    cin >> H >> W;
    v_string S(H);
    rep(i,H)cin >> S[i];
    string L = "9yiwiy";
    string R = "yiwiy9";
    
    rep(i,H){
        for(ll j=0;j<=W-6;j++){
            bool lef=1;
            bool rig=1;
            rep(k,6){
                if(S[i][j+k] != L[k])lef=0;
                if(S[i][j+k] != R[k])rig=0;
            }
            if(lef)S[i][j+1] = 'Y';
            if(rig)S[i][j+4] = 'Y';
        }
    }
    rep(i,H){
        cout << S[i] << endl;
    }
}