class MyException extends Exception {
    public MyException() {
    }

    public MyException(String s) {
        super(s);
    }
}

public class test_stacktrace {
    static void a() throws MyException {
        b();
    }

    static void b() throws MyException {
        c();
    }

    static void c() throws MyException {
        throw new MyException();
    }

    public static void main(String argv[]) {
        try {
            a();
        }
        catch(MyException e) {
            e.printStackTrace();
        }
    }
}