let is_kadomatsu ((a1, a2, a3): int * int * int) =
  (a1 <> a2 && a2 <> a3 && a3 <> a1) &&
  ((a2 < a1 && a2 < a3) || (a2 > a1 && a2 > a3))

let max_a (a1, a2, a3): int = max a1 a2 |> max a3

let count_kadomatsu (a1, a2, a3) =
  let ma = max_a (a1, a2, a3) in
  let rec count_kadomatsu' idx result =
    if idx > ma then result
    else
      let ik = is_kadomatsu (a1 mod idx, a2 mod idx, a3 mod idx) in
      let nextResult = if ik then result + 1 else result in
      count_kadomatsu' (idx + 1) nextResult
  in
  count_kadomatsu' 3 0

let () =
  let atp = read_line () |>
            Str.split (Str.regexp_string " ") |>
            List.map int_of_string |>
            fun lst -> (List.nth lst 0, List.nth lst 1, List.nth lst 2)
  in
  let ans = if is_kadomatsu atp then "INF"
            else string_of_int (count_kadomatsu atp)
  in
  print_endline ans