public static void main(String[] args)
	{
		In in = new In(args[0]);
		try
		{
			Digraph g = new Digraph(in);
			System.out.println(args[0] + " \n" + g);

			Digraph dg = new Digraph(g);
			System.out.println("Duplicate graph of the above\n" + dg);
			
			System.out.println("Reversed graph of the above\n" + g.reverse());
		}
		catch (Exception e)
		{
			System.out.println(e);
			System.exit(1);
		}

	}