// This program reads all tokens from a file, adding them up if they are
// numbers and otherwise reporting them as "bad" tokens.

import java.io.*;
import java.util.*;

public class Echo2 {
    public static void main(String[] args) throws FileNotFoundException {
        Scanner input = new Scanner(new File("numbers2.txt"));
        double sum = 0.0;
        while (input.hasNext()) {
            if (input.hasNextDouble()) {
                double next = input.nextDouble();
                System.out.println("number = " + next);
                sum = sum + next;
            } else {
                String bad = input.next();
                System.out.println("skipping bad token " + bad);
            }
        }
        System.out.println("sum = " + sum);
    }
}