public class SumArgs {
    public static void main(String[] args) {
        int sum = 0;
        for (int i = 0; i < args.length; i++) {
            String tmp[] = args[i].replaceAll("^\\s+", "").split("(\\s+)");
            for (int j = 0; j < tmp.length; j++) {
                try {
                    sum += Integer.parseInt(tmp[j]);
                }
                catch (NumberFormatException e) {
                    e.printStackTrace();
                    System.out.println("Invalid input: \"" + tmp[j] + "\", ignoring.");
                }
            }
        }
        System.out.println(sum);
    }
}