#include<bits/stdc++.h>
using namespace std;
const int INF = 1<<30;
const int MOD = 998244353;
//const long long INF = 1LL<<60;
using graph = vector<vector<int>>;
using ll = long long;


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 << endl;
    }
}