local component = require("component")
local event = require("event")

local range = 3
local redstone = component.redstone
local sides = require("sides")



while true do
local _,_,x,y,z,entity = event.pull("motion")

function Set (list)
local set = {}
  for _,l in pairs(list) do set[1] = true end
  return set
end

local players = Set {"Ranub1s", "Fishmastr"}

if math.abs(x)<= tonumber(range) and math.abs(y)<= tonumber(range) and math.abs(z)<= tonumber(range) then
  if players[entity] then

    print("Welcome back "..entity..".")
    redstone.setOutput(sides.top,15)
    os.sleep(2)
    redstone.setOutput(sides.top,0)
    os.sleep(2)

  else
	print(entity.." is not whitelisted")
  end
else
  print("Hello "..entity..". Sorry, but you are not allowed to enter.")
  os.sleep(2)
end
end