password = "on"
antipassword = "off"
exitWord = "exit"

while true do
input = read()

  if input == password then
    rs.setOutput("back", true)
    print("Activated")
  elseif input == antipassword then
    rs.setOutput("back", false)
    print("Deactivated")
  elseif input == exitWord then
    return
  end
end