let ``No.632 穴埋め門松列``() =

  let c1, c2 , c3 =
    stdin.ReadLine().Split(' ')
    |> fun args -> args.[0], args.[1], args.[2]

  match c2 with
  | "?" -> "14"
  | "2" -> "4"
  | "3" -> "1"
  |> stdout.WriteLine
    
  ()
``No.632 穴埋め門松列``()