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


val () =
    let
        val x = readInt ()
        val n = readInt ()
        val m = readInt ()
        val a_s = List.tabulate (n, fn _ => readInt ())
        val b_s = List.tabulate (m, fn _ => readInt ())

        val isExistMrMax =
            List.exists
                (fn a => a = x)
                a_s
        val isExistMaxValu =
            List.exists
                (fn b => b = x)
                b_s
        
        val ans = if isExistMrMax andalso isExistMaxValu then "MrMaxValu"
                  else if isExistMrMax then "MrMax"
                  else if isExistMaxValu then "MaxValu"
                  else "-1"
    in
        print (ans ^ "\n")
    end