import java.util.Scanner;

public class Main{
	public static void main(String[] args) {
		//System.out.println("ピラミッドの段数");
		Scanner scanner = new Scanner(System.in);
		int N = scanner.nextInt();
		//System.out.println("ピラミッドの数字");
		int num = scanner.nextInt();
		scanner.close();
		int k = N;
		while(k >=0) {
			for(int i=0; i < k; i++) {
				System.out.print(num);
			}
			System.out.println();
			k+=-1;
		}
	}
}