import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
 
  /**
     This program tests the mail system. A single phone
     communicates with the program through System.in/System.out.
  */
public class MailSystemTest
{
  public static void main(String[] args) throws IOException
    {
      MailSystem system = new MailSystem(MAILBOX_COUNT);
      BufferedReader console = new BufferedReader(
        new InputStreamReader(System.in));
 
      Telephone p = new Telephone(console);
      Connection c = new Connection(system, p);
      p.run(c);
    }
 
  private static final int MAILBOX_COUNT = 20;
}