import com.sun.net.httpserver.HttpExchange; 
import com.sun.net.httpserver.HttpHandler; 
import com.sun.net.httpserver.HttpServer; 

import java.io.IOException; 
import java.net.InetSocketAddress; 

public class JI9057464 {

	public static void main(String[] args) throws IOException {
		HttpServer server = HttpServer.create(new InetSocketAddress(8000), 0); 
		server.createContext("/", new MyHandler()); 
		server.setExecutor(null); 
		server.start(); 
	} 

	static class MyHandler implements HttpHandler { 
		@Override 
		public void handle(HttpExchange t) throws IOException { 
			t.sendResponseHeaders(204, -1); 
		} 

	}

}