import sequtils, strutils

iterator digits(x: int): int =
  var z = x
  while z > 0:
    yield z mod 10
    z = z div 10

proc main() =
  var a, b: int
  (a, b) = stdin.readLine.split.map(parseInt)
  for i in a..b:
    if i mod 3 == 0: echo i
    elif toSeq(digits(i)).anyIt(it == 3): echo i

when isMainModule: main()