a, b = [int(x) for x in input().split()]

for d in range(a, b + 1):
  ok = False
  if d % 3 == 0:
    ok = True
  else:
    div = d
    while div >= 1:
      if div % 10 == 3:
        ok = True
        break
      div //= 10

  if ok:
    print(d)