door

s = 0

while true do

if rs.getInput("front") == true then
  --System On
  print("got a signal")
  if s == 0 then --door is closed
    s = 1
    rs.setOutput("right",true)
    sleep(9)
    rs.setOutput("back",true)
  elseif s == 1 then --door is opened
    s = 0
    rs.setOutput("back",false)
    rs.setOutput("right",false)
    sleep(2)
  end
else
  -- Waiting for signal
  print("Waiting for signal")
  sleep(1)
end

end