import java.io.*;
import java.net.*;
public class PaariServer{
  public static void main(String[] arg) throws IOException{
     ServerSocket ss=new ServerSocket(3000);
     System.out.println("ootab");
     Socket sc=ss.accept();
     BufferedReader lugeja=new BufferedReader(new InputStreamReader(sc.getInputStream()));
     PrintWriter kirjutaja=new PrintWriter(sc.getOutputStream(), true);
     BufferedReader klaviatuur=new BufferedReader(new InputStreamReader(System.in));
     System.out.println("Oled valge");
     kirjutaja.println("Oled must");
     boolean veel=true;
     while(veel){
       System.out.println("sinu kord");
       String rida=klaviatuur.readLine();       
       kirjutaja.println("Valge: "+rida+". Sinu kord");
       rida=lugeja.readLine();
       System.out.println("Must: "+rida);
     }     
  }
}