shopping

budget = float(input())
count_video_card = int(input())
count_cpu = int(input())
count_ram = int(input())


sum_video_card = count_video_card * 250

price_cpu = sum_video_card * 0.35
sum_cpu = count_cpu * price_cpu

price_ram = sum_video_card * 0.1
sum_ram = count_ram * price_ram
total_sum = sum_video_card + sum_cpu + sum_ram



if count_video_card > count_cpu:
    total_sum = total_sum * 0.85

diff = abs(budget - total_sum)

if budget >= total_sum:
    print(f'You have {diff:.2f} leva left!')
else:
    print(f'Not enough money! You need {diff:.2f} leva more!')