let solve a b =
  let rec has3 num =
    if num = 0 then
      false
    else (
      let dig1 = num mod 10 in
      if dig1 = 3 || dig1 = -3 then
        true
      else
        has3 (num / 10))
  in
  let rec solve' i =
    if i > b then
      ()
    else (
      if i mod 3 = 0 || has3 i then
        print_endline (string_of_int i);
      solve' (i + 1))
  in
  solve' a

let () =
  let a, b = read_line ()
             |> fun l -> Scanf.sscanf l "%d %d" (fun a b -> (a, b))
  in
  solve a b