import java.util.*;
import java.io.*;
import java.math.*;

class Solution {

    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        int iteration = in.nextInt();
        int size = in.nextInt();
        if (in.hasNextLine()) {
            in.nextLine();
        }
        for (int i = 0; i < size; i++) {
            String ROW = in.nextLine();
        }
    }
}