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 C (judge verdict: Time Limit Exceeded)

#include<stdio.h>
int main(void)
{
    int x,y,i,j;
    while(1){
        scanf("%d %d",&x,&y);
        if(x<0 && y<0) break;
        for(j=0;j<y;j++){
            for(i=0;i<x;i++){
                printf("#");
            }
            printf("\n");
        }
        printf("\n");
    }
    return 0;
}