trip_price = float(input())
puzzles_count = int(input())
dolls_count = int(input())
bears_count = int(input())
minions_count = int(input())
trucks_count = int(input())

profit = (puzzles_count * 2.60) + (dolls_count * 3) + (bears_count * 4.10) \
         + (minions_count * 8.20) + (trucks_count * 2)
toys_count = puzzles_count + dolls_count + bears_count + minions_count + trucks_count

#отстъпка
if toys_count >= 50:
    profit = profit - 0.25 * profit
    #profit = profit * 0.75 -> profit *= 0.75

# наем
profit = profit - profit * 0.10
# profit = profit * 0.9 -> profit *= 0.9

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