Balanced numbers

public class Main {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        int output = 0;

        while (true) {
            int input = scanner.nextInt();
            if (input > 99 && input < 1000 && isBalanced(input)) {
                output += input;
            }
        }
        System.out.println(output);                     // Unreachable statement ???
    }

    public static boolean isBalanced(int a) {        // a = 132
        int first =  (a - a % 100) / 100;           //1
        int second = (a % 100) / 10;               //3
        int third =  a % 10;                      //2

        if (first+third == second){
            return true;
        }
        return false;
    }
}