10. gladiator_expenses

lost_fights = int(input())
helmet_price = float(input())
sword_price = float(input())
shield_price = float(input())
armor_price = float(input())

budget = 0
shield_breaks = 0

for fight in range(1, lost_fights+1):
    if fight % 2 == 0:
        budget += helmet_price
    if fight % 3 == 0:
        budget += sword_price
    if fight % 3 == 0 and fight % 2 == 0:
        budget += shield_price
        shield_breaks += 1
    if shield_breaks == 2:
        budget += armor_price
        shield_breaks = -1
print(f'Gladiator expenses: {budget:.2f} aureus')