public static void main(String[] args)
	{
		Graph G = null;
		try
		{
			G = new Graph(new In("tinyG.txt"));
		}
		catch (Exception e)
		{
			System.out.println(e);
			System.exit(1);
		}

		Cycle c = new Cycle(G);
		if (c.hasCycle())
		{
			System.out.println("tinyG.txt" + " : Cycle detected");
			System.out.println(c.cycle.size());
			for (Integer v : c.cycle)
				System.out.print(v + " - ");
		}
		else
			System.out.println("tinyG.txt" + " : Cycle not present");
	}