using System;
using Ilog.Language.Util;

public class BitSetTest
{
  public static void Main (String[] args)
    {
      int n = int.Parse(args[0]);

      BitSet u = new BitSet();
      for (int i=0; i<n; i++)
	u.Set(i);

      BitSet s = new BitSet(u);
      for (int i=0; i<n; i+=2)
	s.Clear(i);
      Console.WriteLine("s = {0} : it has {1} elements",s,s.Count);

      BitSet t = new BitSet(u);
      for (int i=0; i<n; i+=3)
	t.Clear(i);
      Console.WriteLine("t = {0} : it has {1} elements",t,t.Count);

      Console.WriteLine();

      Console.WriteLine("s | t = {0}",s | t);
      Console.WriteLine("s & t = {0}",s & t);
      Console.WriteLine("s ^ t = {0}",s ^ t);
      Console.WriteLine("s - t = {0}",s - t);
      Console.WriteLine("t - s = {0}",t - s);

      Console.WriteLine();

      Console.WriteLine("s = {0} : it has {1} elements",s,s.Count);
      Console.WriteLine("t = {0} : it has {1} elements",t,t.Count);

      foreach (int i in s)
	Console.WriteLine(i);
    }
}