Budged = float(input())
Video = int(input())
Processors = int(input())
Ram = int(input())
Video *= 250
Processors = float(Processors*(Video*0.35))
Ram = float(Ram*(Video*0.10))
Total_price = Video + Processors + Ram
if Video > Processors:
    Total_price *= 0.85
if Total_price >= Budged:
    print(f'Not enough money! You need {Total_price - Budged:.2f} leva more!')
else:
    print(f'You have {Budged - Total_price:.2f} leva left!')