CC basic password door

local pullEvent = os.pullEvent
os.pullEvent = os.pullEventRaw
while true do
    term.clear()
    term.setCursorPos(1, 1)
    term.setTextColor(colors.orange)
    print("WARNING! Sludge containment breach detected!")
    term.setCursorPos(1, 2)
    term.setTextColor(colors.red)
    print("DANGER! Toxic gasses detected in facility interior!")
    term.setCursorPos(1, 3)
    print("Please contact an administrator.")
    term.setCursorPos(1, 4)
    term.setTextColor(colors.white)
    print("Enter password to open laser door: ")
    input = read()
    if input == "password" or input == "guest" then
        term.clear()
        term.setCursorPos(1, 1)
        term.setTextColor(colors.green)
        print("Thank you. Door will remain open for 10 seconds")
        redstone.setOutput("right",true)
        sleep(10)
        redstone.setOutput("right",false)
    elseif input == "debug" then
        term.clear()
        term.setCursorPos(1, 1)
        term.setTextColor(colors.lightBlue)
        print("Debug mode activated, hold CTRL + T to exit door program")
        os.pullEvent = pullEvent
        sleep(10)
    elseif input ~= "password" and input ~= "debug" and input ~= "guest" then
        term.clear()
        term.setCursorPos(1, 1)
        term.setTextColor(colors.red)
        print("Incorrect password. Please try again after 10 seconds.")
        sleep(10)
    end
end