07. Shopping

budget = float(input())
video_count = int(input())
cpu_count = int(input())
ram_count = int(input())

video_sum = video_count * 250
cpu_sum = (video_sum * 0.35) * cpu_count
ram_sum = (video_sum * 0.10) * ram_count

total_sum = video_sum + cpu_sum + ram_sum
if video_count > cpu_count:
    total_sum = total_sum - (total_sum * 0.15)
    #total_sum = total_sum * 0.85

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