#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < int(n); i++)
#define FOR(i,a,b) for(ll i = a; i < (ll)(b); i++)
#define all(a) (a).begin(),(a).end()
using ll = long long;
using VI = vector<int>;
using P = pair<int,int>;
const long long INF = 1LL << 60;
const int DX[] = {1,0,-1,0};
const int DY[] = {0,1,0,-1};

int main(){
	cin.tie(nullptr);
	ios_base::sync_with_stdio(false);
	
	ll h,w;
	cin >> h >> w;
	vector<string> s(h);
	rep(i,h) cin >> s[i];
	
	vector<vector<int>> a(h,vector<int>(w,0));
	rep(i,h)rep(j,w-5){
		string sub = s[i].substr(j,6);
		if((sub == "yiwiy9" || sub == "9yiwiy") && a[i][j]==0){
			if(sub == "yiwiy9"){
				s[i][j+4] = 'Y';
			}
			else{
				s[i][j+1] = 'Y';
			}
			
			rep(jj,6) a[i][j+jj] = 1;
		}
	}
	
	rep(i,h) cout << s[i] << endl;
	return 0;
}