import java.io.*;
import java.net.*;
import java.util.*;
import java.lang.Math;

public class Server
{
  public static void main(String args[])
  {
    byte bKbdInput[] = new byte[256]; //buffer
    ServerSocket ss;
    Socket s;
    InputStream is;  //potoki
    OutputStream os;
    try
    {
      System.out.println(
        "Socket Server Application");
    }
    catch(Exception ioe)
    {
      System.out.println(ioe.toString());
    }  
    try
    {
      ss = new ServerSocket(9999); //adres - proizvolnqi
      s = ss.accept();
      is = s.getInputStream();
      os = s.getOutputStream();
      byte buf[] = new byte[512];
      int lenght;
      while(true)
      {
        lenght = is.read(buf);
        if (lenght == -1)
          break;
        String str = new String(buf, 0);

        StringTokenizer st;  //otrezaem lishnee
        st   = new StringTokenizer(str, "\r\n");
        str = new String((String)st.nextElement());
        StringBuffer strbuf;
   
        if (str.equals("getIt")) {
           str=Double.toString(Math.random());
        } else {
           str="nothing";
        };
        str=str +"\n";

        strbuf=new StringBuffer(str);  //peredelaem stroku v massiv
        for(int i = 0; i < str.length(); i++)
        {
          buf[i] = (byte)strbuf.charAt(i);
        }

       os.write(buf, 0, str.length());  //posqlaem
       os.flush();             //opustoshit' buffer
   
      }
      is.close();
      os.close();
      s.close();
      ss.close();
    }
    catch(Exception ioe)
    {
      System.out.println(ioe.toString());
    }   
    try
    {
      System.out.println(
        "Press <Enter> to terminate  application...");
      System.in.read(bKbdInput);
    }
    catch(Exception ioe)
    {
      System.out.println(ioe.toString());
    }
  }
}