fun readStr () =
    let
        fun scan reader stream = SOME (StringCvt.splitl (not o Char.isSpace) reader (StringCvt.skipWS reader stream))
    in
        valOf (TextIO.scanStream scan TextIO.stdIn)
    end



val () =
    let
        val s = readStr ()

        val final = String.substring (s, String.size s - 2, 2)
        val ans = if final = "ai" then String.substring (s, 0, String.size s - 2) ^ "AI"
                  else s ^ "-AI"
    in
        print (ans ^ "\n")  
    end