Flowers

# 3. Магазин за цветя
n_chrysanthemums = int(input())
n_roses = int(input())
n_tulips = int(input())
season = str(input())
holiday = str(input())

chrysanthemums_price = 0
roses_price = 0
tulips_price = 0
arranging = 2
total = n_chrysanthemums + n_roses + n_tulips

if season == "Spring" or season == "Summer":
    chrysanthemums_price = 2
    roses_price = 4.10
    tulips_price = 2.50
elif season == "Autumn" or season == "Winter":
    chrysanthemums_price = 3.75
    roses_price = 4.50
    tulips_price = 4.15

if holiday == "Y":
    chrysanthemums_price *= 1.15
    roses_price *= 1.15
    tulips_price *= 1.15

bouquet = (n_chrysanthemums * chrysanthemums_price) + (n_roses * roses_price) + (n_tulips * tulips_price)

if n_tulips > 7 and season == "Spring":
    bouquet *= 0.95
if n_roses >= 10 and season == "Winter":
    bouquet *= 0.9
if total > 20:
    bouquet *= 0.80

print(f"{bouquet + arranging:.2f}")