balancedNumbers

import java.util.Scanner;
public class BalancedNumbers {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int sum = 0;
        boolean isBalanced ;
        do {
            int nextnum = Integer.parseInt(sc.nextLine());
            int firstDigit = nextnum / 100;
            int secondDigit = (nextnum - 100 * firstDigit)/10;
            int thirdDigit = nextnum%10;
            isBalanced = secondDigit == firstDigit + thirdDigit;
            if (isBalanced){
                sum += nextnum;
            }
        }
        while(isBalanced);

        System.out.println(sum);
    }
}