part5

package com.epam.rd.java.basic.practice1;

public class Part5 {

    public static void main(String[] args) {
        int sum = 0;
        try {
            int number = Integer.parseInt(args[0]);
            if (number > 0) {
                for (char digit : args[0].toCharArray()) {
                    sum += digit - 48;
                }
            }
        } catch (NumberFormatException ignored) {
        }
        System.out.println(sum);
    }
}