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

public class Conn5Servlet extends HttpServlet
{
  protected void doPost(HttpServletRequest req, HttpServletResponse res)
                       throws ServletException, IOException
  {
     res.setContentType("text/plain");
     PrintWriter out = res.getWriter();
     String userID = req.getParameter("userID");
     String password = req.getParameter("password");
     out.println(userID + ", Password is not valid");
     out.close();
  }
}