Turtle Door Program

while true do
 term.clear()
 term.setCursorPos(1, 1)
 print("Please Enter Password:")
 input = read("*")
 if input == "COME IN" then
  redstone.setOutput("left", true)
  sleep(2)
  redstone.setOutput("left", false)
  else
  term.setCursorPos(5, 5)
  print("GO AWAY!")
  term.setCursorPos(6, 6)
  print("YOU DO NOT BELONG HERE!")
 end
end
os.reboot()