import java.io.*;

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

        for (int a = 0; a != m; a ++){

            for (int i = 0; i != n; i ++)

                System.out.print(8);
            System.out.println();
        }

    }
}