7.Shoping

budjet = float(input())
gpu_qty = int(input())
cpu_qty = int(input())
ram_qty = int(input())

gpu_price = 250.0 * gpu_qty
cpu_factor = gpu_price *  0.35
ram_price = (gpu_price * 0.10) * ram_qty

total_price = gpu_price + cpu_factor + ram_price


if gpu_qty > cpu_qty:
    discount = total_price * 0.15
    total_price -= discount
    # print(total_price)

if budjet >= total_price:
    print(f"You have {budjet - total_price:.2f} leva left!")
if budjet < total_price:
    print(f"Not enough money! You need {total_price - budjet:.2f} leva more!")