lua multi pass lock

os.pullEvent = os.pullEventRaw

local side = "left"
apass = "0001"
bpass = "0002"
cpass = "0003"
adpass = "194977"

term.clear()
sleep(1)
print("Welcome please enter your access codes")
print("Password 1 of 3")
write("Code: ")
local input = read("*")
if input == apass then
sleep(1)
print("Password 2 of 3")
write("Code: ")
local input = read("*")

if input == bpass then
sleep(1)
print("Password 3 of 3")
write("Code: ")
local input = read("*")

if input == cpass then
sleep(3)
term.clear()

print("verifying passwords please wait...")
sleep(1.5)
print("password 1: correct")
sleep(1)
print("password 2: correct")
sleep(1)
print("password 3: correct")
sleep(1)
print("passwords verifyed")
sleep(0.5)
term.clear()
print("unlock process initiated")
 rs.setOutput(side,true)
 sleep(6)
 rs.setOutput(side,false)
 os.reboot()
 end
 end
 end
if input == passwordadmin then
 term.clear()
 term.setCursorPos(1,1)
 print("Password correct!")
 print("Computer unlocking...")
 print("Please type 'reboot' or 'shutdown' before leaving")
 os.pullEvent(terminate)

else
 term.clear()
 term.setCursorPos(1,1)
 print("Password incorrect!")
 sleep(2)
 os.reboot()
end