/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	
	static class MyException extends Exception {
		
		MyException() throws MyException {
			throw this;
		}
		
	}
	
	public static void main (String[] args) throws java.lang.Exception
	{
		try {
			MyException e = new MyException();
		} catch (MyException e) {
			System.out.println("Caught!");
		}
	}
}