# 1.Име на града -текст с възможности ("Bansko",  "Borovets", "Varna"или "Burgas")
# 2.Вид на пакета -текст с възможности ("noEquipment",  "withEquipment", "noBreakfast"или "withBreakfast")
# 3.Притежание на VIP отстъпка -текст с възможности  "yes"или "no"
# 4.Дни за престой -цяло число в интервала [1 ... 10000]

name_city = input()
packet_type = input()
vip_discount = input()
count_days = int(input())
price = 0
is_data_valid = True

if name_city == "Bansko":
    packet_type = "withEquipment"
    price = 100
    if vip_discount == "yes":
        price -= price * 0.10
elif name_city == "Borovets":
    packet_type = "noEquipment"
    price = 80
    if vip_discount == "yes":
        price -= price * 0.05

elif name_city == "Varna":
    packet_type = "withBreakfast"
    price = 130
    if vip_discount == "yes":
        price -= price * 0.12
elif name_city == "Burgas":
    packet_type = "noBreakfast"
    price = 100
    if vip_discount == "yes":
        price -= price * 0.07
else:
    is_data_valid = False

sum_all = price * count_days

if count_days > 7:
    sum_all = (price * count_days) - (1 * price)

if count_days <= 0:
    print("Days must be positive number!")
elif not is_data_valid:
    print("Invalid input!")
else:
    print(f"The price is {sum_all:.2f}lv! Have a nice time!")