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

#define rep(i, a, b) for (int i= a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (x).size()
#define int ll
#define F first
#define S second
#define PB push_back
#define MP make_pair
typedef long long int;
typedef pair<int, int> pii;
typedef vector<int> vi;
#define endl '\n'
#define inf 3000000000000000000
#define random rand()^(rand()<<15)
mt19937 rnd(time(nullptr));

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    int x, n;
    string s, t;
    cin >> x >> n;
    cin >> s;
    rep(_, 0, n) {
        t = "";
        rep(i, 0, s.size()) {
            int code = 4*(i > 0 && s[i-1] == 'X') + 2*(s[i] == 'X') + (i < sz(s)-1 && s[i+1] == 'X');
            if (x & (1 << code)) {
                t += 'X';
            } else {
                t += '.';
            }
        }
        s = t;
        cout << s << endl;
    }
    return 0;
}