07. Shopping

budget = float(input())
gpu = int(input())
cpu = int(input())
ram = int(input())

gpu_price = gpu * 250
cpu_price = cpu * gpu_price * 0.35
ram_price = ram * gpu_price * 0.10

total = gpu_price + cpu_price + ram_price

if gpu > cpu:
    total *= 0.85

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