class MyException2 extends Exception{
    private int x;
    public MyException2(){}
    public MyException2(String msg){
        super(msg);
    }
    public MyException2(String msg, int x){
        super(msg);
        this.x = x;
    }
    public int val(){
        return x;
    }
    public String getMessage(){
        return "Detail Message: "+x+" "+super.getMessage();
    }
}

public class ExtraFeatures{
    public static void f() throws MyException2{
        System.out.println("Throwing MyException2 from f()");
        throw new MyException2();
    }
    public static void g() throws MyException2{
        System.out.println("Throwing MyException2 from g()");
        throw new MyException2("Originated in g()");
    }
    public static void h() throws MyException2{
        System.out.println("Throwing MyException2 from h()");
        throw new MyException2("Originated in h()", 47);
    }
    public static void main(String[] args){
        try{
            f();
        }catch(MyException2 e){
            e.printStackTrace(System.out);
        }
        try{
            g();
        }catch(MyException2 e){
            e.printStackTrace(System.out);
        }
        try{
            h();
        }catch(MyException2 e){
            e.printStackTrace(System.out);
            System.out.println("e.val() = "+e.val());
        }
    }
}