excursion_price = float(input())
puzzels_number = int(input())
dolls_number = int(input())
bears_number = int(input())
minions_number = int(input())
truks_number = int(input())

puzzels_price = 2.60
dolls_price = 3
bears_price = 4.10
minions_price = 8.20
truks_price = 2

toys_summed_number = puzzels_number + dolls_number + bears_number + minions_number + truks_number

puzzels_money = puzzels_number * puzzels_price
dolls_money = dolls_number * dolls_price
bears_money = bears_number * bears_price
minions_money = minions_number * minions_price
truks_money = truks_number * truks_price

toys_summed_money = puzzels_money + dolls_money + bears_money + minions_money + truks_money

if toys_summed_number >= 50:
    toys_summed_money = toys_summed_money - (toys_summed_money * 0.25)

profit = toys_summed_money - (toys_summed_money * 0.10)

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