Problem:
Sum of Numbers

Write a program which reads an integer and prints sum of its digits.

Input

The input consists of multiple datasets. For each dataset, an integer x is given in a line. The number of digits in x does not exceed 1000.

The input ends with a line including single zero. Your program should not process for this terminal symbol.

Output

For each dataset, print the sum of digits in x.

Sample Input

123
55
1000
0

Sample Output

6
10
1

Solution in JAVA (judge verdict: Wrong Answer)

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		while(true) {
			int x = scanner.nextInt();
			if(x==0) {
				break;
			}
			int sum = 0;
			while (x/10!=0) {
				sum += x%10;
				x /= 10;
				if (x/10==0) {
					sum +=x;
				}
			}
			System.out.println(sum);
		}
		scanner.close();
	}
}