puzzle = 2.60
said_doll = 3
plush_bear = 4.10
minion = 8.20
truck = 2

money_to_trip = float(input())
count_puzzle = int(input())
count_said_doll = int(input())
count_plush_bear = int(input())
count_minions = int(input())
count_truck = int(input())

order_toys = count_puzzle + count_said_doll + count_plush_bear + count_minions + count_truck

earned_money = count_puzzle * puzzle + count_said_doll * said_doll + count_plush_bear * plush_bear + \
               count_minions * minion + count_truck * truck

if order_toys >= 50:
    earned_money *= 0.75

earned_money = earned_money * 0.9
money_defference = abs(earned_money - money_to_trip)


if earned_money >= money_to_trip:
    print(f"Yes! {money_defference:.2f} lv left.")
else:
    print(f"Not enough money! {money_defference:.2f} lv needed.")