#PHT. Pigeonhole Tower

Pigeonhole Tower

Pigeon SSNA want to build a tower with some wood walls. Let's describe the tower they want to make:

  1. A Tower can consist of different number of level.
  2. If a tower contain L levels then 1st level must contain L holes, 2nd level L-1, 3rd level L-2 ….. L level contain 1 hole.
  3. Each room contain 3 wood walls.

See the picture below:

3 level 4 level
3 Level Tower 4 Level tower

Now pigeon SSNA has n wood walls. What is maximum number of level he can made.

Input

Input starts with an integer T (≤ 100000), denoting the number of test cases.

Each case starts with a line containing an integer n (1 ≤ n ≤ 1012)

Output

For each case of input you have to print the case number and expected answer.

Example

Input:
2
15
24

Output: Case 1: 3 Case 2: 4

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