#include <iostream>
#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];

    int NK = N * K;
    vector<string> B(NK, string(NK, '.'));

    for (int i = 0; i < NK; ++i) {
        for (int j = 0; j < NK; ++j) {
            int src_i = i / K;
            int src_j = j / K;
            B[i][j] = A[src_i][src_j];
        }
    }

    for (int i = 0; i < NK; ++i)
        cout << B[i] << endl;

    return 0;
}