03. Flowers (2)

num_hrizantema = int(input())
num_roses = int(input())
num_tulips = int(input())
season = input()  # Spring, Summer, Аutumn, Winter
day = input()  # Y – да / N - не
price = 0

if season == "Spring" or season == "Summer":
  price += num_hrizantema * 2
  price += num_roses * 4.10
  price += num_tulips * 2.50
elif season == "Autumn" or season == "Winter":
  price += num_hrizantema * 3.75
  price += num_roses * 4.50
  price += num_tulips * 4.15
if num_tulips > 7 and season == "Spring":
  price *= 0.95
if num_roses >= 10 and season == "Winter":
  price *= 0.9
if num_roses + num_tulips + num_hrizantema > 20:
  price *= 0.8
if day == "Y":
  price *= 1.15
print(f"{price + 2:.2f}")