Problem:
Print a Rectangle

Draw a rectangle which has a height of H cm and a width of W cm. Draw a 1-cm square by single '#'.

Input

The input consists of multiple datasets. Each dataset consists of two integers H and W separated by a single space.

The input ends with two 0 (when both H and W are zero).

Output

For each dataset, print the rectangle made of H × W '#'.

Print a blank line after each dataset.

Constraints

1 ≤ H ≤ 300

1 ≤ W ≤ 300

Sample Input

3 4
5 6
2 2
0 0

Sample Output

####
####
####

######
######
######
######
######

##
##

Solution in JAVA (judge verdict: WA: Presentation Error)

import java.util.Scanner;
class Main{
    public static void main(String[] args){
	final Scanner sc=new Scanner(System.in);
	while(true){
	    int a=sc.nextInt();
	    int b=sc.nextInt();
	    if(a==0 && b==0) break;
	    for(int i=0;i<a;i++){
		for(int j=0;j<b-1;j++){
		    System.out.print("#");
		}
		System.out.println("#");	
	    }
	}
    }
}