public Card.Suit chooseSuit() {
		Scanner sc = new Scanner(System.in);
		String input;

		System.out.print("Choose the suit you want to set (D, H, C, S): ");
		while (true) {
			input = sc.nextLine().toUpperCase().trim();
			Card.Suit suit = Card.charToSuit(input.charAt(0));
			if (suit != Card.Suit.INVALID && input.length() == 1)
				return suit;
			System.out.print("Not such suit. Try again: ");
		}
	}