# Problem Set 2 (Lesson 2, assignment 1)
import math
a=0
b=0
c=0
n=50
for n in range (50,56):
for a in range (0, n/6 +1):
for b in range (0,n/9 + 1):
for c in range (0, n/20 +1):
if (((6*a) + (9*b) + (20*c)) == n):
print 'ok a,b,c ' , a,b,c
c=+1
b=+1
a=+1
n=+1