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


val () =
    let
        val x = readInt ()
        val y = readInt ()
                                 
        val ans = if (Int.max(x, y) + 4) mod 12 = y then (Int.max(x, y) + 8) mod 12
                  else (Int.max(x, y) + 4) mod 12
    in
        print (Int.toString ans ^ "\n")
    end