startup

rednet.open("right")
while true do
  print("dudeldi")
  s, m, p = rednet.receive(1)
  if m == "start" then
    print("System gestertet")
    rednet.send(33, "start")
    while true do
      print("Detektor aktiv")
      sd, md, pd = rednet.receive()
      if md == "CheckRoute" then
        print("CheckRoute")
        if redstone.getInput("back") == true then
          rednet.send(33, "Ja")
          print("ZUG!")
        else
          rednet.send(33, "Nein")
          print("kein Zug")
        end
      end
    end
  end
end