#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (ll)(n); i++)
#define oke cout << "Yes" << '\n';
#define dame cout << "No" << '\n';
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
using HaiI = vector<vector<int>>;
using Hai2 = vector<vector<ll>>;
using HaiB = vector<vector<bool>>;
using Hai3 = vector<vector<vector<ll>>>;

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cout << fixed << setprecision(15);
	int H,W;
	cin>>H>>W;
	vector<string>S(H);
	HaiB gi(H,vector<bool>(W,true));
	string mi="yiwiy9";
	string hi="9yiwiy";
	rep(i,H){
		cin>>S[i];
	}
	rep(i,H){
		for(int j=0;j<W-5;j++){
			if(S[i][j]=='y' && gi[i][j]){
				
				bool ok=true;
				rep(k,6){
					if(S[i][j+k]!=mi[k]){
						ok=false;
					}
				}
				
				if(ok){
					S[i][j+4]='Y';
					rep(k,6){
						gi[i][j+k]=false;
					}
				}
			}
			if(S[i][j]=='9' && gi[i][j]){
				bool ok=true;
				rep(k,6){
					if(S[i][j+k]!=hi[k]){
						ok=false;
					}
				}
				if(ok){
					S[i][j+1]='Y';
					rep(k,6){
						gi[i][j+k]=false;
					}
				}
			}
		}
	}
	rep(i,H){
		rep(j,W){
			cout<<S[i][j];
		}
		cout<<"\n";
	}
}