面试题：自增自减

class A12{
    public static void main(String[] args) {
        int a = 10;
        int b = 5;
        int c = a++ + ++a - --b - ++b + 1 + a--;
        //26
        System.out.println(c);
        //11
        System.out.println(a);
        //5
        System.out.println(b);
    }
}