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

int main() {
    int H, W;
    cin >> H >> W;
    string S[H];
    for (int i = 0; i < H; i++)
        cin >> S[i];

    for (int i = 0; i < H; i++) {
        int j = 0;
        while (j < W) {
            if (S[i][j] == '.') {
                j++;
                continue;
            }
            if (S[i][j] == '9') {
                S[i][j + 1] ^= 32;
            }
            if (S[i][j] == 'y') {
                S[i][j + 4] ^= 32;
            }
            j += 6;
        }
    }

    for (int i = 0; i < H; i++) {
        cout << S[i] << '\n';
    }
}