package Tasks_03_Loops;

import java.util.Scanner;

public class Hw_03_08_WordOrNumber_2 {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int num = Integer.parseInt(scanner.nextLine());
        int sum = 0;
        StringBuilder sb = new StringBuilder();

        while (num > 0) {
            String input = scanner.nextLine();

            if ((input.charAt(0) >= '0') && (input.charAt(0) <= '9')) {
                int currentInt = Integer.parseInt(input);
                sum +=currentInt;
            } else {
                if (sb.isEmpty()){
                    sb.append(input);
                } else {
                    sb.append('-').append(input);
                }
            }

            num--;
        }

        if (sb.isEmpty()) {
            System.out.println("no words");
        } else {
            System.out.println(sb.toString());
        }
        System.out.printf("%d%n", sum);

    }
}