n

local sEvent, param
local password
local numa=3
local numb=0

while true do
 while numb==0 do
  while numa>0 do
   write("Enter password : ")
   password=read("*")
   if password=="a" then --v5b13nw
    redstone.setOutput("bottom", true)
    print("Correct password")
    print("Door open for 5 seconds")
    os.sleep(5)
    redstone.setOutput("bottom", false)
    shell.run("clear")
    numa=3
   else
    print("Access denied")
    numa=numa-1
    print("Essais restant : "..numa)
   end
  end
  print("Too many error")
  print("Intrusion detected")
  print("System lock")
  print("Good luck to unlock it ^^")
  numb=1
 end
 os.pullEvent()
end