class ex40 {
    public static void main(String[] z) {
        A a ;
        a = new A() ;
        System.out.println(a.add_two(12)) ;
    }
}

class A {

    int c ;

    public int add_two(int b) {
        c = 2 ;
        b = b + c ;
        return b ;
    }

}