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 Ruby (judge verdict: Accepted)

def draw
   mp=gets.split(' ').map(&:to_i)
   if mp[0]==0 && mp[1]==0 then return -1 end
   for y in 1..mp[0] do
      for x in 1..mp[1] do
         print "#"
      end
      print "\n"
   end
   print "\n"
   return 0
end

ret=draw
until ret==-1 do
    ret=draw
end