facility

while true do
 local tries = 0
 local access = 0
 term.clear()
 term.setCursorPos(1, 1)
 print("Authorized Personel Only")
 input = read("*")
 if input == "inferno"then
   access = 1
   term.clear()
   term.setCursorPos(1, 1)
   print("Access Granted. Welcome back misstress")
   while access == 1 do
    input = read()
    if input == "open" then
     redstone.setBundledOutput("back", colors.blue)
     print("Door will be closed again in 10 second.Automatic logout will follow")
       sleep(10.0)
     redstone.setBundledOutput("back", 0)
     access = 0
     elseif input == "exit" then
      error(0)
    end
   end
 elseif tries < 2 then
   print("Access Denied")
   tries = tries+1
  else
   print("Unauthorised entry detected")
   sleep(1.0)
   redstone.setBundledOutput("back", colors.red)
   print("Initiating Purge")
   sleep(3.0)
   redstone.setBundledOutput("back",colors.red+colors.yellow)
   sleep(20.0)
   tries = 0
   redstone.setBundledOutput("back",0)
  end
 end