import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;

public class ConnServlet extends HttpServlet
{
  private int number = 0;
  protected void doGet(HttpServletRequest req, HttpServletResponse res)
                       throws ServletException, IOException
  {
     res.setContentType("text/plain");
     PrintWriter out = res.getWriter();
     out.print("This a servlet \nand the number is " + ++number);
     out.close();
  }
}