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

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

int main() {
  int N, K;
  cin >> N >> K;
  vector<string> A(N);
  rep(i, N)
    cin >> A[i];
  rep(i, N) rep(ki, K) {
    rep(j, N) rep(kj, K) {
      cout << A[i][j];
    }
    cout << endl;
  }
  return 0;
}