#pragma GCC optimize("O3")

#ifdef LOCAL
#include "algo/debug_ver3.hpp"
#else
#define debug(...)
#define debugArr(...)
#endif

#include <bits/stdc++.h>

using namespace std;

int main() {
	cin.tie(nullptr);
	ios::sync_with_stdio(false);

	int n, k;
	cin >> n >> k;

	vector<string> a(n);
	for (int i = 0; i < n; ++i) cin >> a[i];

	vector<string> b(n * k, string(n * k, '\0'));
	for (int i = 0; i < n * k; ++i) for (int j = 0; j < n * k; ++j) b[i][j] = a[i / k][j / k];

	for (int i = 0; i < n * k; ++i) cout << b[i] << '\n';
}