Flowers

bought_lillias = int(input())
bought_roses = int(input())
bought_tulips = int(input())
season = input()
isHoliday = input()

lillia_price = 0.0
roses_price = 0.0
tulips_price = 0.0
discount = 0.00
buquet_price = 0.0
total_flowers = 0
total_price = 0.0

if season == "Spring" or season == "Summer":
    lillia_price = 2.00
    roses_price = 4.10
    tulips_price = 2.5
else:
    lillia_price = 3.75
    roses_price = 4.5
    tulips_price = 4.15

buquet_price = lillia_price * bought_lillias + roses_price * bought_roses + tulips_price * bought_tulips

if isHoliday == "Y":
    buquet_price += buquet_price * 0.15

total_flowers_bought = bought_roses + bought_tulips + bought_lillias

if bought_tulips >= 7 and season == "Spring":
    discount = 0.05 * buquet_price
if bought_roses >= 10 and season == "Winter":
    discount = 0.1 * buquet_price
if total_flowers_bought >= 20:
    discount = 0.2 * buquet_price

total_price = buquet_price + 2 - discount
print(f"{total_price:0.2f}")