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