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

using ll = long long;
#define rep(i, n) for(int i = 0; i < n; i++)

int main() {
	int N, K;
	cin >> N >> K;
	vector<string> a(N), b(N * K, string(N * K, '*'));
	rep(i, N) cin >> a[i];
	rep(i, N) rep(j, N) {
		rep(k, K) rep(l, K) b[i * K + k][j * K  + l] = a[i][j];
	}
	rep(i, N * K) cout << b[i] << endl;
}