#include <bits/stdc++.h>
using namespace std;
int main()
{
    int H, W;
    cin >> H >> W;
    vector<string> S(H);
    for (int i = 0; i < H; ++i)
        cin >> S[i];
    string a = "yiwiy9", b = "9yiwiy";
    for (int i = 0; i < H; ++i)
    {
        for (int j = 0; j <= W - 6; ++j)
        {
            string tmp = S[i].substr(j, 6);
            if (tmp == a)
            {
                S[i][j + 4] = 'Y';
                j += 5;
            }
            else if (tmp == b)
            {
                S[i][j + 1] = 'Y';
                j += 5;
            }
        }
    }
    for (int i = 0; i < H; ++i)
        cout << S[i] << endl;
    return 0;
}