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

int main(){
	int h,w; cin >> h >> w; vector<string> A(h); for (auto& a:A) cin >> a;
	for (int i(0);i < h;++i){
		for (int k(5);k < w;++k){
			if (A[i].substr(k-5,6)=="yiwiy9") A[i][k-1] = 'Y';
			if (A[i].substr(k-5,6)=="9yiwiy") A[i][k-4] = 'Y';
		}
	}
	for (auto a:A) cout << a << endl;
}