import java.util.ArrayList;
import java.util.List;
import java.util.HashMap;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;

import java.util.concurrent.Callable;
import java.util.concurrent.Executors;
import java.util.concurrent.ExecutorService;

public class Calendar
{
   private Calendar () {} /* Utility class */

   public static void main (final String[] args)
   {
      if (!Parameters.set_parameters(args))
      {
         /**
          * Printed usage.
          **/
         return;
      }

      Error.init_handler();

      try
      {
         Classes.read_all();
         Group.read_all();
         Group.run_all();
      }
      catch (final Exception e) {}

      Error.finalize_handler();
   }
}