#!/usr/bin/python

rngmin1 = 1
rngmax1 = 2
rngmin2 = 0
rngmax2 = 9
rngmin3 = 0
rngmax3 = 9
rngmin4 = 0
rngmax4 = 9
desired_total = 4

x = []
for a in range(rngmin1,rngmax1):
  for b in range(rngmin2,rngmax2):
    for c in range(rngmin3,rngmax3):
      for d in range(rngmin4,rngmax4):
        if (a+b+c+d) == desired_total:
          x.append(int(str(a) + str(b) + str(c) + str(d)))

print x