eee

puzzle_price = 2.60
talking_barbie = 3
teddy_bear = 4.10
minion = 8.20
truck_toy = 2

trip_price = float(input())
a = num_of_puzzles = int(input())
b = num_of_talking_barbie = int(input())
c = num_of_teddy_bears = int(input())
d = num_of_minions = int(input())
e = num_of_toy_trucks = int(input())

price = a * puzzle_price + b * talking_barbie + c * teddy_bear + d * minion + e * truck_toy
num_toys = num_of_puzzles + num_of_talking_barbie + num_of_teddy_bears + num_of_minions + num_of_toy_trucks

if num_toys >= 50:
    discount = price * 25 / 100
    total = price - discount
    rent = total * 10 / 100
    profit = total - rent
else:
    discount = 0
    rent = price * 10 / 100
    profit = price - rent

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