## TJANDRAS - Tjandra 19th birthday (EASY)

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This day (7 February 2013) is my 19th birthday  So, I want to celebrate it on SPOJ by making this EASY puzzle problem.

This game/puzzle is about matches, given n matches, your task is to arrange the matches (not necessarily all) such that number of rectangle (any size) is maximum.

### Input

First line there is an integer T100 then T lines follow, each line contain an integer n<1.000.000.000.

### Output

For each test case, output required answer (maximum number of rectangles)

Input:
5
3
4
8
12
15
Output:
0
1
3
9
12

### Explanation

-->First test case: No rectangle can be formed with only 3 matches

-->Second test case: Only one rectangle can be formed with 4 mathes

-->Third test case:

there are max 3 rectangles (2 size 1x1, 1 size 2x1) can be formed with number of matches<=8, here is one of the mathes formation:

-->Fourth test case:

there are max 9 rectangles (4 size 1x1, 2 size 2x1, 2 size 1x2, 1 size 2x2) can be formed with number of matches <=12, here is one of the formation:

-->Fifth test case:

there are max 12 rectangles (5 size 1x1, 3 size 2x1, 1 size 3x1, 2 size 1x2, 1 size 2x2) can be formed with number of matches <=15, here is one of the formation:

### Information

Time limit≈150x my program speed, Enjoy this birthday party game, I set this problem such that semi naive solution will pass..