UVA 10929 Java

import java.util.*;
public class main{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while(sc.hasNextLine())
        {
        	String str = sc.nextLine();
        	if(str.equals("0"))
        		return;
        	int odd=0, even=0;
        	for(int i = 0; i < str.length(); i++)
        	{
        		if(i % 2 == 0)
        			//even += Integer.parseInt(String.valueOf(str.charAt(i)));
        			even += str.charAt(i) - 48;
        		else
        			//odd += Integer.parseInt(String.valueOf(str.charAt(i)));
        			odd += str.charAt(i) - 48;
        	}
        	if(Math.abs(odd-even)%11 == 0)
        		System.out.println(str + " is a multiple of 11.");
        	else
        		System.out.println(str + " is not a multiple of 11.");
        }
    }
};