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()

    x = 2 * (a * b + b * c + c * a)
    y = a * b * c
    IO.puts if x > y, do: 2, else: 3
  end
end