import java.io.*;
import java.net.*;
public class Server1{
 public static void main(String argumendid[]) throws IOException{
 ServerSocket ss=new ServerSocket(3001);
 while (true){
  Socket sc=ss.accept();
  BufferedReader sisse=new BufferedReader(new InputStreamReader( sc.getInputStream() ) );
  InetAddress aadress= sc.getInetAddress();
  String ip= aadress.toString();
    System.out.println(ip);
 sc.close();
  } //while lopp
//__________________
 /* PrintWriter valja=new PrintWriter(sc.getInetAddress(), true);
  System.out.println(sisse.readLine());
  valja.printeln("tegelane");
  String rida="";
  while((rida=sisse.readLine())!=null)System.out.println(rida);*/
//________________
  } // main lopp
   }// Server1 lopp