#include <iostream.h>

int main()
{
int LENGTH;
int HEIGTH;
int n = 0;
int test = LENGTH;
cout << "Length:" << endl;
cin >> LENGTH;
cout << "Height:" << endl;
cin >> HEIGTH;
	while  (HEIGTH > 0)
	{
	
		while (test > 0)
		{
			cout << n;
			test = test - 1;
		}
		test = LENGTH;
				cout << "\n";
		HEIGTH = HEIGTH - 1;
	}
	return 0;
}