stage = input()
ticket_type = input()
counter_ticket = int(input())
picture = input()
price = 0

if ticket_type == 'Standard':
    if stage == 'Quarter final':
        price = counter_ticket * 55.50
    elif stage == 'Semi final':
        price = counter_ticket * 75.88
    else:
        price = counter_ticket * 110.10
elif ticket_type == 'Premium':
    if stage == 'Quarter final':
        price = counter_ticket * 105.20
    elif stage == 'Semi final':
        price = counter_ticket * 125.22
    else:
        price = counter_ticket * 160.66
else:
    if stage == 'Quarter final':
        price = counter_ticket * 118.90
    elif stage == 'Semi final':
        price = counter_ticket * 300.40
    else:
        price = counter_ticket * 400
if price > 2500 and price <= 4000:
    price *= 0.90
if picture == 'Y' and price <= 4000:
    price += (40 * counter_ticket)
if price > 4000:
    price = price * 0.75


print(f'{price:.2f}')