import java.net.*;
import java.io.*;
 
public class displayMail {
 
public static void main(String arg[]) {
   //
   //  displayMail [mailServer] [user] [password]
   try {
     Socket s = new Socket(arg[0], 110);
     BufferedReader in  = new BufferedReader(
         new InputStreamReader(s.getInputStream()));
     BufferedWriter out = new BufferedWriter(
         new OutputStreamWriter(s.getOutputStream()));
     displayMail t = new displayMail();
     String msg;
     t.loginMail(in, out, arg[1], arg[2]);
     int i = t.checkMyMail(in,out);
     if (i==0) {
       System.out.println("No mail waiting.");
       }
     else {
       for (int j=1; j <= i; j++) {
          msg = t.getMail(in, out, j);
          System.out.println("*****");
          System.out.println(msg);
          System.out.println("*****");
          }
        }
     }
   catch (Exception e) {
     e.printStackTrace();
     }
   }
 
public String getMail
   (BufferedReader in, BufferedWriter out, int i)
   throws IOException {
   String s = "";
   String t = "";
   send(out, "RETR "+i);
   while (((s = in.readLine()) != null)
       &&(!(s.equals("."))))
         t += s + "\n";
   return t;
   }
 
 
private void send(BufferedWriter out, String s) throws IOException {
   out.write(s+"\n");
   out.flush();
   }
 
private String receive(BufferedReader in) throws IOException {
   return in.readLine();
   }
 
private void loginMail(BufferedReader in, BufferedWriter out,
    String user, String pass)
    throws IOException {
   receive(in);
   send(out, "USER " + user);
   receive(in);
   send(out, "PASS " + pass);
   receive(in);
   }
 
private int checkMyMail
     (BufferedReader in, BufferedWriter out)
      throws IOException {
   return GetNumberOfMessages(in, out);
   }
 
 
 
public int GetNumberOfMessages
   (BufferedReader in, BufferedWriter out) throws IOException {
   int i = 0;
   String s;
 
   send(out, "LIST");
   receive(in);
   while((s = receive(in)) != null) {
      if (!(s.equals("."))) { i++; }
      else return i;
      }
   return 0;
   }
}