function startReactor()
	while true do
		reactor = peripheral.wrap("back");
		if reactor ~= nil then
			if reactor.getConnected() then
				if reactor.getEnergyStored() > 4000000 then
					print("At 4000000RF Turning Off")
					reactor.setActive(false);
				end
				if reactor.getEnergyStored() < 1000000 then
					print("At 1000000RF Turning On")
					reactor.setActive(true);
				end
			end
		end
		sleep(0);
	end
end

quit = false

function quitProgram()
  local event, name = os.pullEvent("quit")
  if name == "powerMonitor" then
    quit = true
  end
end

while true do
  parallel.waitForAny(quitProgram, startReactor)

  if quit then
    print("Quitting....")
    break
  end
end