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

public class RegisterServlet extends HttpServlet {
  public void doGet(HttpServletRequest request, HttpServletResponse response) 
    throws ServletException, IOException {

    response.setContentType("text/html");
    PrintWriter out = response.getWriter();
    Enumeration enumeration = request.getHeaderNames();
    while (enumeration.hasMoreElements()) {
      String header = (String) enumeration.nextElement();
      out.println(header + ": " + request.getHeader(header) + "<BR>");
    }
  }
}