shopping

budget = float(input())
number_of_video_cards = int(input())
number_of_processors = int(input())
number_of_ram_memories = int(input())

total_video_cards = number_of_video_cards * 250
total_processors = (0.35 * total_video_cards)*number_of_processors
total_ram_memories = (0.1 * total_video_cards)*number_of_ram_memories
needed_money = total_video_cards + total_ram_memories + total_processors
if number_of_video_cards > number_of_processors:
    needed_money *= 0.85
difference = abs(budget - needed_money)
if needed_money >= budget:
    print(f"Not enough money! You need {difference:.2f} leva more!")
else:
    print(f"You have {difference:.2f} leva left!")