#include <iostream>
#include <cstdint>
#include <vector>

using namespace std;

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

	uint16_t N, K, i, j;
	cin >> N >> K;
	vector<string> A(N, string());
	for (i = 0; i != N; ++i)
		A[i].reserve(N), cin >> A[i];

	for (i = 0; i != N * K; ++i)
	{
		for (j = 0; j != N * K; ++j)
			cout << A[i / K][j / K];
		cout << '\n';
	}

	return 0;
}