#define _USE_MATH_DEFINES
#include  <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <string>
#include<math.h>
#include<iomanip>
#include<stdio.h>
#include <stdlib.h>
#include<stdio.h>
#include <queue>
#include<map>
#include <sstream>
#include<set>
#include<stack>
#include<time.h>
#include <sys/types.h>
#include <tuple>


typedef long long int ll;
//#include<bits/stdc++.h>


using namespace std;



int main()
{

    int Q;
    Q = 1;
    //cin >> Q;



    while (Q--) {
        int n, m;
        cin >> n >> m;
        vector<string>a(n);
        for (int i = 0; i < n; i++)cin >> a[i];
        for (int i = 0; i < n ; i++) {
            string t;
            for (int j = 0; j < n; j++) {
                string x(m, a[i][j]);
                t+= x;
            }
            for(int j=0;j<m;j++)
            cout << t << endl;
            
        }



    }

    return 0;
}