import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.net.ServerSocket;

import java.net.Socket;

public class Main {

  public static void main(String[] argv) throws Exception {

    int port = 2000;

    ServerSocket srv = new ServerSocket(port);

    // Wait for connection from client.

    Socket socket = srv.accept();

    BufferedReader rd = new BufferedReader(new InputStreamReader(socket.getInputStream()));

    String str;

    while ((str = rd.readLine()) != null) {

      System.out.println(str);

    }

    rd.close();

  }

}