package While_Loop_More_Exercises;

import java.util.Scanner;

public class Report_System {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int expSum = Integer.parseInt(scan.nextLine());
        String input = scan.nextLine();

        int countOfTransactions = 0;
        double counOfCache = 0;
        double countOfCards = 0;
        double sumOfCards = 0.0;
        double sumOfCache = 0.0;


        while (!"End".equals(input)) {
            int price = Integer.parseInt(input);
            countOfTransactions++;

            if (countOfTransactions % 2 != 0 && price <= 100) {
                counOfCache++;
                sumOfCache += price;
                System.out.println("Product sold!");
            } else if (countOfTransactions % 2 == 0 && price >= 10) {
                countOfCards++;
                sumOfCards += price;
                System.out.println("Product sold!");
            } else {
                System.out.println("Error in transaction!");
            }if (sumOfCache + sumOfCards >= expSum){
                break;
            }else if("End".equals(input)){
                break;
            }
            input = scan.nextLine();

        }
        if (sumOfCache + sumOfCards >= expSum) {
            System.out.printf("Average CS: %.2f%n", sumOfCache / counOfCache);
            System.out.printf("Average CC: %.2f", sumOfCards / countOfCards);
        } else  {
            System.out.println("Failed to collect required money for charity.");
        }
    }
}