class SortedIntegerList {

	LinkedList<Integer> sortedList = new LinkedList<Integer>();
	int number = 0;
	boolean isRepeatElements = true;

	SortedIntegerList(boolean isRepElemet) {
		isRepeatElements = isRepElemet;
	}

	SortedIntegerList(int isRepElemet) {
		try {
			if (isRepElemet != 1 || isRepElemet != 0) {
				throw new Exception("Only 1 or 0!");
			}
			if (isRepElemet == 1) {
				isRepeatElements = true;
			} else {
				isRepeatElements = false;
			}
		} catch (Exception ex) {
			System.out.println(ex.getMessage());
		}
	}

	int size() {
		return sortedList.size();
	}

	void add(int num) {
		if (size() == 0) {
			sortedList.add(num);
			return;
		}
		int index = 0;
		int indexSet = 0;
		for (ListIterator<Integer> i = sortedList.ListIterator(); i.hasNext();) {
			Integer element = (Integer) i.next();
			if (element.intValue() == num) {
				if (!isRepeatElements) {
					return;
				}
			}
			if (num >= element.intValue()) {
				indexSet = index + 1; // i+1
				i.add(8);

			} else {
				indexSet = index;
				break;
			}
			index++;
		}
		sortedList.add(indexSet, num);
	}

	void remove(int num) {
		int index = 0;
		int indexSet = -1;
		for (Iterator<Integer> i = sortedList.iterator(); i.hasNext();) {
			Integer element = (Integer) i.next();
			if (element.intValue() == num) {
				indexSet = index;
				i.remove();
				return;
			}

			index++;
		}
		if (indexSet != -1) {
			sortedList.remove(indexSet);
		}

	}

	void print() {
		for (Iterator<Integer> i = sortedList.iterator(); i.hasNext();) {
			Integer element = (Integer) i.next();
			System.out.print(element + "  ");
		}
		System.out.print("\n");
	}

	Iterator<Integer> iteratorIntegerList() {
		return sortedList.iterator();
	}

	public boolean equals(Object o) {
		SortedIntegerList a = (SortedIntegerList) o;
		if (this.hashCode() != o.hashCode()) {
			return false;
		}
		if (o instanceof SortedIntegerList) {
			if (size() != a.size()) {
				return false;
			} else {
				Iterator<Integer> i1 = sortedList.iterator();
				Iterator<Integer> i2 = a.iteratorIntegerList();

				while (i1.hasNext()) {
					Integer element1 = (Integer) i1.next();
					Integer element2 = (Integer) i2.next();
					if (element1 != element2) {
						return false;
					}
				}
				return true;
			}
		} else {
			return false;
		}
	}
}