fuel_two

fuel_type = str(input())
fuel_quantity = int(input())
club_card = str(input())

gas_price = 0.93
diesel_price = 2.33
gasoline_price = 2.22

if fuel_type == "Gas" and club_card == "Yes":
    if  fuel_quantity < 20:
        sum = (gas_price - 0.08) * fuel_quantity
        print(f"{sum:.2f} lv.")
    elif fuel_quantity <= 25:
        sum = (gas_price - 0.08) * fuel_quantity
        total = sum * 0.92
        print(f"{total:.2f} lv.")
    elif fuel_quantity > 25:
        sum = (gas_price - 0.08) * fuel_quantity
        total = sum * 0.90
        print(f"{total:.2f} lv.")
elif fuel_type == "Gas" and club_card == "No":
    if    fuel_quantity < 20:
        sum = gas_price  * fuel_quantity
        print(f"{sum:.2f} lv.")
    elif fuel_quantity <= 25:
        sum = gas_price * fuel_quantity
        total = sum * 0.92
        print(f"{total:.2f} lv.")
    elif fuel_quantity > 25:
        sum = gas_price  * fuel_quantity
        total = sum * 0.90
        print(f"{total:.2f} lv.")
elif fuel_type == "Gasoline" and club_card == "Yes":
    if   fuel_quantity < 20:
        sum = (gasoline_price - 0.18) * fuel_quantity
        print(f"{sum:.2f} lv.")
    elif fuel_quantity <= 25:
        sum = (gasoline_price - 0.18) * fuel_quantity
        total = sum * 0.92
        print(f"{total:.2f} lv.")
    elif fuel_quantity > 25:
        sum = (gasoline_price - 0.18) * fuel_quantity
        total = sum * 0.90
        print(f"{total:.2f} lv.")
elif fuel_type == "Gasoline" and club_card == "No":
    if fuel_quantity < 20:
        sum = gasoline_price * fuel_quantity
        print(f"{sum:.2f} lv.")
    elif fuel_quantity <= 25:
        sum = gasoline_price * fuel_quantity
        total = sum * 0.92
        print(f"{total:.2f} lv.")
    elif fuel_quantity > 25:
        sum = gasoline_price * fuel_quantity
        total = sum * 0.90
        print(f"{total:.2f} lv.")
elif fuel_type == "Diesel" and club_card == "Yes":
    if   fuel_quantity < 20:
        sum = (diesel_price - 0.12) * fuel_quantity
        print(f"{sum:.2f} lv.")
    elif fuel_quantity <= 25:
        sum = (diesel_price - 0.12) * fuel_quantity
        total = sum * 0.92
        print(f"{total:.2f} lv.")
    elif fuel_quantity > 25:
        sum = (diesel_price - 0.12) * fuel_quantity
        total = sum * 0.90
        print(f"{total:.2f} lv.")
elif fuel_type == "Diesel" and club_card == "No":
    if fuel_quantity < 20:
        sum = diesel_price * fuel_quantity
        print(f"{sum:.2f} lv.")
    elif fuel_quantity <= 25:
        sum = diesel_price * fuel_quantity
        total = sum * 0.92
        print(f"{total:.2f} lv.")
    elif fuel_quantity > 25:
        sum = diesel_price * fuel_quantity
        total = sum * 0.90
        print(f"{total:.2f} lv.")