budget = float(input())
category_ticket = input()
count_people = int(input())

money_transport = 0

if 1 <= count_people <= 4:
    money_transport = budget * 0.75

elif 5 <= count_people <= 9:
    money_transport = budget * 0.60

elif 10 <= count_people <= 24:
    money_transport = budget * 0.50

elif 25 <= count_people <= 49:
    money_transport = budget * 0.40

elif count_people >= 50:
    money_transport = budget * 0.25


left_money = budget - money_transport
all_price_vip_ticket = 499.99 * count_people
all_price_normal_ticket = 249.99 * count_people

diff_vip = abs(left_money - all_price_vip_ticket)
diff_normal = abs(left_money - all_price_normal_ticket)

if diff_vip >= all_price_vip_ticket:
    print(f"Yes! You have {diff_vip:.2f} leva left.")
else:
    print(f"Not enough money! You need {diff_vip:.2f} leva.")

if diff_normal >= all_price_normal_ticket:
    print(f"Yes! You have {diff_normal:.2f} leva left.")
else:
    print(f"Not enough money! You need {diff_normal:.2f} leva.")