expected_sum = int(input())

counter_sum_cash = 0
counter_sum_cards = 0
sum_cash = 0
sum_cards = 0
collected_money = 0
count_transactions = 0
input_line = input()
while collected_money < expected_sum:
    if input_line == "End":
        break

    input_line = int(input_line)
    count_transactions += 1

    if count_transactions % 2 != 0:
        if input_line <= 100:
            print(f"Product sold!")
            counter_sum_cash += 1
            sum_cash += input_line

        elif input_line > 100:
            print(f"Error in transaction!")

    elif count_transactions % 2 == 0:
        if input_line < 10:
            print(f"Error in transaction!")
        else:
            print(f"Product sold!")
            counter_sum_cards += 1
            sum_cards += input_line

    collected_money = sum_cash + sum_cards

    if collected_money >= expected_sum:
        break

    input_line = input()

if input_line == "End":
    print(f"Failed to collect required money for charity.")

if collected_money >= expected_sum:
    average_sum_cash = sum_cash / counter_sum_cash
    average_sum_cards = sum_cards / counter_sum_cards
    print(f"Average CS: {average_sum_cash:.2f}")
    print(f"Average CC: {average_sum_cards:.2f}")