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 * 3.00
teddy_bear_price = teddy_bear_number * 4.10
minions_price = minions_number * 8.20
trucks_price = trucks_number * 2.00
total_number_toys = puzzles_number + doll_number + teddy_bear_number + minions_number + trucks_number
total_price = puzzles_price + doll_price + teddy_bear_price + minions_price + trucks_price
profit = None
rent_price = None
money_left = None
needed_money = None

if total_number_toys >= 50:
    profit = (total_price * 0.75) * 0.90
else:
    profit = total_price * 0.90

if profit >= trip_price:
    money_left = profit - trip_price
    print(f"Yes! {money_left:.2f} lv left.")
else:
    needed_money = trip_price - profit
    print(f"Not enough money! {needed_money:.2f} lv needed.")