import sequtils,strutils

var a,b : int
(a,b) = stdin.readLine.split.map parseInt
for i in a..b:
  if i mod 3 == 0:
    echo i
  else:
    var s = $i
    var b = false
    for j in 0..<s.len:
      if s[j] == '3': b = true
    if b: echo i