public static void main(String[] args) {

		if (args.length > 0) {
			Sign.main(args);
			return;
		}

		inReader = new Scanner(System.in);

		boolean running = true;

		while (running) {
			switch (getChoice("What do you want to do today?",
					" (1) Create a key pair\n" + " (2) Sign a graph\n"
							+ " (3) Verify a signature\n" + " (4) Quit", 4)) {
				case 1:
					createKey();
					break;
				case 2:
					signGraph();
					break;
				case 3:
					verifySignature();
					break;
				case 4:
					running = false;
					System.out.println("Thank you for using this application.");
					break;
			}
			System.out.println();
		}

		inReader.close();
	}