04. Tourist Shop from exam 05 2019

budget = float(input())
command = ""
product_name = ""
product_price = 0
numb_of_item = 0
all_price = 0
all_numb = 0


while command != "Stop":
    product_name = input()
    if product_name == "Stop":
        break
    else:
        pass
    product_price = float(input())
    numb_of_item += 1
    if numb_of_item == 3:
        product_price = product_price / 2
    else:
        pass
    all_price += product_price
    if (budget - all_price) < 0:
        print(f"You don't have enough money!")
        print(f"You need {abs(budget - all_price):.2f} leva!")
        exit()
    all_numb += 1
    command = product_name
print(f"You bought {all_numb} products for {all_price:.2f} leva.")