fun readLine () =
    valOf (TextIO.inputLine TextIO.stdIn)

exception BadInput        
fun findAns "Zelkova and Cherry" = "1st"
  | findAns "BANNED CONTEST" = "2nd"
  | findAns "Stray Bullet" = "3rd"
  | findAns "Early Summer Rain" = "4th"
  | findAns "Do you know Cherry Contest?" = "Alpha"
  | findAns _ = raise BadInput


val () =
    let
        val s = readLine ()

        val ans = findAns (String.substring (s, 0, String.size s - 1))
    in
        print (ans ^ "\n")
    end