private static Scanner scanner = new Scanner(System.in);

	public static void main(String[] args) {

		System.out.println("Podaj login");
		String username = scanner.next();
		System.out.println("Podaj haslo");
		String password = scanner.next();

		Bank.readClients();

//		boolean successLogin = Bank.login(username, password);
//
//		if (!successLogin) {
//			System.out.println("Bledny login lub haslo!");
//			System.exit(0);
//		}

		int input = 0;
		do {
			System.out.println("1. Wplata");
			System.out.println("2. Przelew");
			System.out.println("3. Wyplata");
			System.out.println("4. Wypisz");
			System.out.println("0. Zakoncz");

			input = scanner.nextInt();

			switch (input) {
			case 1: {
				payment();
			}
				break;
			case 2: {
				transfer();
			}
				break;
			case 3: {
				payoff();
			}
				break;
			case 4: {
				print();
			}
				break;
			}

		} while (input != 0);

		Bank.saveClients();
	}
}