PastryShop

product = input()
quantity = int(input())
date = int(input())

price = {"Cake": {date <= 15: 24, date > 15: 28.70},
         "Souffle": {date <= 15: 6.66, date > 15: 9.80},
         "Baklava": {date <= 15: 12.60, date > 15: 16.98}}

total = quantity * price[product][True]

if date <= 22:
    if 100 <= total <= 200:
        total *= 0.85
    elif total > 200:
        total *= 0.75

if date <= 15:
    total *= 0.9

print(f"{total:.2f}")