#include<iostream>
#include<vector>
#define rep(i,n)for(int i =0;i<(n);i++)

using namespace std;

int main() {
	int n, k;
	cin >> n >> k;
	vector<vector<char>>s(n,vector<char>(n));
	rep(i, n) {
		rep(j, n)cin >> s[i][j];
	}
	
	rep(i, n) {
		rep(m, k) {
			rep(j, n) {
				rep(l, k) {
					cout << s[i][j];
				}
			}
			cout << endl;
		}
	}
}