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


fun findAns [] = []
  | findAns (#"a" :: #"o" :: tl) = #"k" :: #"i" :: findAns tl
  | findAns (h :: tl) = h :: findAns tl
                
                    
val () =
    let
        val s = readStr ()
        
        val ans = String.implode (findAns (String.explode s))
    in
        print (ans ^ "\n")
    end