#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 1000000000000000001

int main(){
	
	int n,k;
	cin>>n>>k;
	vector<string> s(n);
	rep(i,n)cin>>s[i];
	rep(i,n*k){
		rep(j,n*k){
			cout<<s[i/k][j/k];
		}
		cout<<endl;
	}
	
	return 0;
}