#include <vector>
#include <string>
using namespace std;

class GogoXCake {
public:
    string solve(vector<string> cake, vector<string> cutter) {
        int n = cake.size(), m = cake[0].length();
        int p = cutter.size(), q = cutter[0].length();

        for (int i = 0; i + p <= n; ++i) {
            for (int j = 0; j + q <= m; ++j) {
                bool ok = true;
                for (int a = 0; a < p && ok; ++a) {
                    for (int b = 0; b < q && ok; ++b) {
                        if (cutter[a][b] == '.' && cake[i + a][j + b] == 'X') ok = false;
                    }
                }
                if (!ok) continue;

                for (int a = 0; a < p; ++a) {
                    for (int b = 0; b < q; ++b) {
                        if (cutter[a][b] == '.') cake[i + a][j + b] = 'X';
                    }
                }
            }
        }

        for (int i = 0; i < n; ++i) {
            for (int j = 0; j < m; ++j) {
                if (cake[i][j] == '.') return "NO";
            }
        }
        return "YES";
    }
};