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


fun findAns myH l =
    let
        fun findAnsAux nil = 0
          | findAnsAux (first :: rest) = if myH < first then 1 + findAnsAux rest
                                         else findAnsAux rest                                                        
        val rank = findAnsAux l + 1
    in
        if rank mod 10 = 1 then (Int.toString rank ^ "st")
        else if rank mod 10 = 2 then (Int.toString rank ^ "nd")
        else if rank mod 10 = 3 then (Int.toString rank ^ "rd")
        else Int.toString rank ^ "th"
    end


val () =
    let
        val h = readInt ()
        val n = readInt ()
        val h_s = List.tabulate (n - 1, fn _ => readInt ())

        val ans = findAns h h_s
    in
        print (ans ^ "\n")
    end