#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main () {
    int N, K; cin >> N >> K;
    vector<string> A(N);
    for (int i = 0; i < N; i++) cin >> A[i];

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