private static int getPersonAge() {
		Scanner keyboard3 = new Scanner(System.in);
		int age;
		do {
			System.out.print("Age? (0-120):");
			age = keyboard3.nextInt();
			if (age < 0 || age > 120) {
				System.out.println("The age must be greater than 0 and less than 120.");
			}
		} while (age < 0 || age > 120);
		return age;
	}