public class Propagate{
    
    static void a(){				       
	try  {
	    throw new RuntimeException("my message");
	    System.out.println("after throw");
	} 
	catch (RuntimeException banana){
	    throw new RuntimeException("re-thrown");
	}
    }

    static void b(){
        a();
	System.out.println("after calling a");
    }

    public static void main(String[] args){
        try{
            b();
        } 
        catch (RuntimeException e){
            System.out.println(e.getMessage());
        }
    }
}
//