budget = float(input())
N = int(input())
M = int(input())
P = int(input())

graphics_price = 250
processor_price = 0.35*graphics_price*N
RAM_price = 0.1*graphics_price*N

total_price = N*graphics_price + M*processor_price + P*RAM_price
if N > M:
    total_price *= 0.85

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