#include "bits/stdc++.h"
#include "atcoder/all"
#include "iomanip"
#include "algorithm"
#include "vector"
#include "math.h"
#include "bitset"
#include "random"
#include "set"
using namespace std;
using namespace atcoder;
#define rep(i, a, b) for(int i = a; i < (int)(b); i++)
#define rrep(i, a, b) for(int i = a; i >= (int)(b); i--)
#define vec vector
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define pub push_back
#define pob pop_back
#define prec setprecision
#define ll long long
#define ull unsigned long long
#define maxE *max_element
#define minE *min_element
#define p_queue priority_queue
using Graph = vec<vec<int>>;
using Pi = pair<ll,ll>;
const ll INF = 9E+18;

int main() {
	int H,W; cin >> H >> W;
	vec<string> S(H);
	rep(i,0,H) cin >> S[i];
	
	for(int i = 0; i < H; i++){
		for(int j = 0; j < W; 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;
			}
		}
	}
	
	rep(i,0,H) cout << S[i] << endl;
		
}