public static void main(String[] args) {
		/* Get all abundant numbers */
		List<Integer> abundantNumbers = new ArrayList<Integer>();
		for (int i = 1; i <= 28123; i++) {
			if (isAbundant(i))
				abundantNumbers.add(i);
		}

		/* Get all of the numbers which are sums of all of the abundant numbers */
		Set<Integer> abundantNumbersx2 = new HashSet<Integer>();
		for (int i = 0; i < abundantNumbers.size(); i++) {
			for (int j = 0; j < abundantNumbers.size(); j++) {
				if (abundantNumbers.get(i) + abundantNumbers.get(j) <= 28123) {
					abundantNumbersx2.add(abundantNumbers.get(i) + abundantNumbers.get(j));
				}
			}
		}

//		System.out.println(abundantNumbers);
		System.out.println(abundantNumbersx2);

		/* Get all of the numbers which are from 1 to 28123 */
		List<Integer> nums = new ArrayList<Integer>();
		for (int i = 1; i <= 28123; i++) {
			nums.add(i);
		}

		nums.removeAll(abundantNumbersx2);

		int counter = 0;
		for (int i : nums) {
			counter += i;
		}
		System.out.println(counter);
		uptime();
	}