trip_price = float(input())
puzzles_number = int(input())
doll_number = int(input())
teddy_bear_number = int(input())
minions_number = int(input())
trucks_number = int(input())
puzzles_price = puzzles_number * 2.60
doll_price = doll_number * 3
teddy_bear_price = teddy_bear_number * 4.10
minions_price = minions_number * 8.20
trucks_price = trucks_number * 2
total_number_toys = puzzles_number + doll_number + teddy_bear_number + minions_number + trucks_number
if total_number_toys >= 50:
    total_price = puzzles_price + doll_price + teddy_bear_price + minions_price + trucks_price
    discount_price = total_price * 0.25
    profit_1 = total_price - discount_price
    rent_price_1 = profit_1 * 0.10
    money_left = profit_1 - rent_price_1 - trip_price
    print(f"Yes! {money_left:.2f} lv left.")
else:
    total_price = puzzles_price + doll_price + teddy_bear_price + minions_price + trucks_price
    rent_price_2 = total_price - (total_price * 0.90)
    profit_2 = total_price - rent_price_2
    needed_money = trip_price - profit_2
    print(f"Not enough money! {needed_money:.2f} lv needed.")