/** Do the search */
	private static void search(String[] args) {
		if (args.length != 2) {
            System.err.println(USAGE);
            return;
        }

		int[] intArgs = convertArgs(args);
		int from =  intArgs[0];
		int to = intArgs[1];

		System.out.println("Path between " + from + " and " + to + ":");
		System.out.println(findPath(graph, from, to));
	}

	/** Convert the arguments */
	private static int[] convertArgs(String[] args) {
		int[] intArgs = new int[args.length];
		for(int i = 0; i < args.length; i++) {
			intArgs[i] = Integer.parseInt(args[i]);
		}

		return intArgs;
	}