fun readInt () =
    valOf (TextIO.scanStream (Int.scan StringCvt.DEC) TextIO.stdIn)


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 s t u =
    let
        val cs = String.explode s
        val deleteIndexes =
            if t = u
            then
                (
                  [t]
                )
            else
                (
                  if t < u then [t, u]
                  else [u, t]
                )
        val (_, _, filtered) =
            List.foldl
                (fn (x, (i, needDelete, acc)) =>
                    if List.null needDelete = false andalso List.hd needDelete = i then (i + 1, List.tl needDelete, acc)
                    else (i + 1, needDelete, x :: acc))
                (0, deleteIndexes, [])
                cs
        val ans = String.implode (List.rev filtered)
    in
        ans
    end
                
                    
val () =
    let
        val s = readStr ()
        val t = readInt ()
        val u = readInt ()
        val ans = findAns s t u
    in
        print (ans ^ "\n")
    end