public static int[] getMilestoneDays(int[] revenues, int[] milestones) {
		int[] output = new int[milestones.length];
		Arrays.fill(output, -1);
		int sum = 0;
		for (int i = 0; i < revenues.length; i++) {
			revenues[i] += sum;
			sum = revenues[i];
		}
		for (int i = 0; i < milestones.length; i++) {
			int searchFor = milestones[i];
			int low = 0;
			int high = revenues.length - 1;
			int mid = 0;

			while (low <= high) {
				mid = (high + low) / 2;

				if (searchFor == revenues[mid]) {
					output[i] = mid;
					break;
				} else if (searchFor < revenues[mid] && (mid - 1 < revenues.length && searchFor > revenues[mid - 1])) {
					output[i] = mid - 1;
					break;
				} else if (searchFor < revenues[mid])
					high = mid - 1;
				else if (searchFor > revenues[mid] && (mid + 1 < revenues.length && searchFor < revenues[mid + 1])) {
					output[i] = mid + 1;
					break;
				} else if (searchFor > revenues[mid])
					low = mid + 1;

			}
		}
		for (int i = 0; i < output.length; i++)
			output[i]++;
		return output;
	}

	public static class Pair {
		int index;
		int value;

		public Pair(int index, int value) {
			super();
			this.index = index;
			this.value = value;
		}

		public int getIndex() {
			return index;
		}

		public void setIndex(int index) {
			this.index = index;
		}

		public int getValue() {
			return value;
		}

		public void setValue(int value) {
			this.value = value;
		}

	}

	public static int[] findPositions(int[] arr, int x) {
		Queue<Pair> q = new LinkedList<Pair>();
		for (int i = 0; i < arr.length; i++)
			q.add(new Pair(i + 1, arr[i]));
		ArrayList<Integer> removed = new ArrayList<Integer>();
		for (int i = x; i >= 1; i--) {
			int pops = x;
			PriorityQueue<Pair> maxHeap = new PriorityQueue<Pair>(new Comparator<Pair>() {
				@Override
				public int compare(Pair o1, Pair o2) {
					if (o1.getValue() == o2.getValue())
						return Integer.compare(o1.getIndex(), o2.getIndex());
					return -Integer.compare(o1.getValue(), o2.getValue());
				}
			});
			Queue<Pair> temp = new LinkedList<Pair>();
			while (pops != 0 && !q.isEmpty()) {
				Pair c = q.poll();
				maxHeap.add(c);
				temp.add(c);
				pops--;
			}
			Pair ToRemove = maxHeap.remove();
			int ToRemoveIndex = ToRemove.getIndex();
			removed.add(ToRemoveIndex);
			while (!temp.isEmpty()) {
				Pair a = temp.poll();
				if (a.getIndex() != ToRemoveIndex) {
					q.add((a.getValue() > 0) ? new Pair(a.getIndex(), a.getValue() - 1) : a);
				}
			}
		}
		int[] out = new int[removed.size()];
		for (int i = 0; i < out.length; i++)
			out[i] = removed.get(i);
		return out;
	}

 public static String caesarCipher(String input, int rotationFactor) {
    // Write your code here
StringBuilder sb = new StringBuilder();
        for (int i = 0; i < input.length(); i++) {
            if (input.charAt(i) >= 'a' && input.charAt(i) <= 'z') {
                char newChar = (char) (input.charAt(i) + rotationFactor%26);
                sb.append((newChar >= 'a' && newChar <= 'z') ? newChar : (char) (newChar - 'z' - 1 + 'a'));
            } else if (input.charAt(i) >= 'A' && input.charAt(i) <= 'Z') {
                char newChar = (char) (input.charAt(i) + rotationFactor%26);
                sb.append((newChar >= 'A' && newChar <= 'Z') ? newChar : (char) (newChar - 'Z' - 1 + 'A'));
            } else
                sb.append(input.charAt(i));
        }
        return sb.toString();
    }