import java.util.Scanner;

/**

 * @author：（LiberHome）

 * @date：Created in 2019/3/5 10:24

 * @description：

 * @version:$

 */

/*输入正整数n，求各位数字和*/

public class page1401 {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        System.out.println("请输入一个整数");

        int inputNum = scanner.nextInt();

        int result=sumEach(inputNum);

        System.out.println("各位数字和是 ："+result);

    }

    private static int sumEach(int num) {

        int answer = 0;

        int size = 1;

        int temp = num;

        while (temp / 10 != 0) {

            size++;

            temp = temp / 10;

        }

        /*新建一个数组A,挨个赋值*/

        int[] A = new int[size];

        for (int i = 0; i < size && num / 10 != 0; i++) {

            A[i] = num % 10;

            num/=10;

            if (num<10){

                A[i+1]=num;

            }

        }

        /*计算各位数的和*/

        for (int i = 0; i < size; i++) {

            answer+=A[i];

        }

        return answer;

    }

}