#include <vector>
#include <iostream>
#include <string>
#include <ostream>
#include <map>
#include <set>
#include <bitset>
#include <cmath>
#include <iomanip>
#include <algorithm>
#include <list>
#include <regex>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define reps(i, n) for (int i = 1; i < (n); i++)
using namespace std;

int main()
{
    int n, k;
    cin >> n >> k;
    vector<string> a(n);
    rep(i, n) cin >> a[i];
    rep(i, n)
    {
        rep(j, k)
        {
            rep(t, n)
            {
                rep(s, k)
                {
                    cout << a[i][t];
                }
            }cout << endl;
        }
    }
}