defmodule Main do
  def input, do: IO.read(:line) |> String.trim
  def ii, do: input() |> String.to_integer
  def li, do: input() |> String.split |> Enum.map(&String.to_integer/1)
  def yn(b), do: IO.puts(if b, do: "Yes", else: "No")

  def main do
    [a, b, c] = li()
    if is_kadomatu(a, b, c) do
      IO.puts "INF"
    else
      ma = Enum.max([a, b, c])
      1..ma
      |> Enum.count(fn i -> is_kadomatu(rem(a, i), rem(b, i), rem(c, i)) end)
      |> IO.puts
    end
  end

  def is_kadomatu(a, b, c) do
    if a == b or b == c or c == a do
      false
    else
      [_, x, _] = Enum.sort([a, b, c])
      b != x
    end
  end
end