local wlist = {['Lockry'] = true}
local sleep = 10
local side = 1
local status
local component = require('component')
local computer = require('computer')
local redstone = component.redstone
local chat_box = component.chat_box
local signal = computer.pullSignal

function computer.pullSignal(...)
  local e = {signal(...)}
  if status and status+sleep*72 <= os.time() then
    redstone.setOutput(side, 0)
    status = nil
  end
  if e[1] == 'chat_message' and wlist[e[3]] then
    if e[4] == 'startmob' then
      status = os.time()
      redstone.setOutput(side, 15)
    end
  end
  return table.unpack(e)
end