Pyrolock system for Rhonyn's containment dome, entrance

local pullEvent = os.pullEvent
os.pullEvent = os.pullEventRaw
while true do
term.clear()
term.setCursorPos(1, 1)
print("DANGER! The interior of this facility is infected with taint.")
term.setCursorPos(1, 2)
print("Authorised personnel only!")
term.setCursorPos(1, 3)
print("Please enter password to begin door opening procedure: ")
input = read()
if input == "password" then
term.clear()
term.setCursorPos(1, 1)
print("Password correct, please stand by. Pyrotheum purging in progress...")
redstone.setBundledOutput("back", 3)
sleep(2)
term.clear()
term.setCursorPos(1, 1)
print("Each door will remain open for 10 seconds. After second door closes, chamber will be flooded with pyrotheum.")
redstone.setBundledOutput("back", 5)
sleep(10)
redstone.setBundledOutput("back", 9)
sleep(10)
redstone.setBundledOutput("back", 0)
end
if input == "debug" then
os.pullEvent = pullEvent
end
if input ~= "password" and input ~= "debug" then
term.clear()
term.setCursorPos(1, 1)
print("Password correct, please stand by. Pyrotheum purging in progress...")
redstone.setBundledOutput("back", 3)
sleep(2)
term.clear()
term.setCursorPos(1, 1)
print("Each door will remain open for 10 seconds. After second door closes, chamber will be flooded with pyrotheum.")
redstone.setBundledOutput("back", 5)
sleep(10)
redstone.setBundledOutput("back", 0)
end
end