import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;

public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        ArrayList<String> ara = new ArrayList<String>();
        int n = Integer.parseInt(reader.readLine());
        int m = Integer.parseInt(reader.readLine());

        for (int i = 0; i < n; i++){
            ara.add(reader.readLine());
        }
        for (int j = 0; j < m; j++ ){
            ara.add(ara.get(j));
            //ara.remove(j);

        }
        for(int h = 0; h < ara.size(); h++){
            System.out.println(ara.get(h));
        }


    }
}