ComputerCraft password code Minecraft

local password = "NPP2"

term.clear()
term.setCursorPos(1,1)
term.write("Enter password: ")
local input = read("*")

if input == password then
print("Access Granted!")
rs.setOutput("left",true)
sleep(5)
rs.setOutput("left",false)
os.reboot()
else
print("Access denied!")
sleep(2)
os.reboot()
end