bios:338: [string "startup"]:27 'end' expected

local pullEvent = os.pullEvent
os.pullEvent = os.pullEventRaw

local scode = "1525"
local code = "8126"
local out = "back"
local time = 5

term.clear()
term.setCursorPos(1, 1)
write("Please input code> ")
local input = read("*")
if input == code then
	-- t -- commented cuz WTF's that "t" here?!
	term.clear()
	term.setCursorPos(1, 1)
	print("Correct code!")
	rs.setOutput(out, true)
	sleep(time)
	rs.setOutput(out, false)
	os.reboot()
elseif input == scode then
	-- umm... - is this a backdoor or something like that?
	os.pullEvent = pullEvent
	print("You can terminate the program now") -- but there's nothing that waits for termination
	-- os.pullEvent("an_event_that_never_fires") -- uncomment this line if you're sure about waiting for termination
	-- while true do os.pullEvent() end -- this is prettier than the solution above but is harder to understand too
else -- else must be the last part of the IF block
	term.clear()
	term.setCursorPos(1, 1)
	print("Incorrect code!")
	sleep(2)
	os.reboot()
end

local debugMode = true -- set this to false to prevent terminating
local debugPassword = "1525"
local correctPassword = "8126"
local output = "back"
local signalLength = 5

local pullEvent = os.pullEvent
os.pullEvent = os.pullEventRaw

while true do
	term.clear()
	term.setCursorPos(1, 1)
	write("Enter password: ")
	local password = read("*")
	if password == correctPassword then
		rs.setOutput(output, true)
		sleep(signalLength)
		rs.setOutput(output, false)
	elseif password == debugPassword and debugMode then
		os.pullEvent = pullEvent
		print("You can now terminate the program")
		while true do os.pullEvent() end
	else
		print("Incorrect password! GET AWAY!")
		sleep(2)
	end
end