import java.net.*;
import java.io.*;
public class Loim5{
  public static void main(String argumendid[]) throws IOException{
    ServerSocket ss=new ServerSocket(3001);
    Object lukk=new Object();
    while(true){
      new Loim5abi(ss.accept(), lukk);
    }
  }
}
class Loim5abi extends Thread{
  Socket sc;
  Object lukk;
  static String failinimi="summa.txt";
  public Loim5abi(Socket usc, Object ulukk){
    sc=usc;
    lukk=ulukk;
    start();
  }
  public void run(){
    try{
      BufferedReader sisse=new BufferedReader(
        new InputStreamReader(sc.getInputStream())
      );
      PrintWriter valja=new PrintWriter(
        sc.getOutputStream(), true
      );
      valja.println("Palun teie nimi:");
      String uusnimi=sisse.readLine();
      valja.println("Oota praegust hinda");
      synchronized(lukk){
        BufferedReader failist=new BufferedReader(
          new FileReader(failinimi)
        );
        String vananimi=failist.readLine();
        int vanasumma=Integer.parseInt(failist.readLine());
        failist.close();
        valja.println("Viimati pakkus "+vananimi+" "+vanasumma+" krooni.");
        valja.println("Kirjuta suurem summa voi loobumiseks pass");
        String vastus=sisse.readLine();
        if(!vastus.equals("pass")){
          int uussumma=Integer.parseInt(vastus);
          if(uussumma>vanasumma){
            PrintWriter faili=new PrintWriter(new FileWriter(failinimi));
            faili.println(uusnimi);
            faili.println(uussumma);
            faili.close();
          }
        }
      }
      sc.close();
    }catch(Exception e){

    }
  }
}