function nextSlot()
	n = turtle.getSelectedSlot() + 1
	if n > 16 then n = 1 end
	turtle.select(n)
	os.sleep(0.1)
end
function checkBucket()
	if turtle.getItemDetail(turtle.getSelectedSlot()) == nil then return false end
	return true

end
function getMilk()
	if not checkBucket() then
		itr = 0
		while not checkBucket() do nextSlot() itr = itr+1 end
		if itr > 20 then
			write("Sleep 10s after ")
			write(itr)
			print(" iterates")
			os.sleep(10)
		end
	end
	return turtle.place()
end
c=0
while true do
	os.sleep(0.1)
    os.queueEvent("randomEvent")
    os.pullEvent()
    if(redstone.getInput("back")) then
        os.sleep(60)
	else
		if getMilk() then c=c+1 end
		write(c)
		print(" B of milk collected")
    end

end