CRDS - Cards

Maricruz have a lot of cards, she always uses her cards to build pyramids as shown in the following image:

Cards

A pyramid card of 3 levels. She always wonder how many cards does she need to make a pyramid card of N levels. Your task is to answer that question.

Input

The first line of the input contains an integer 1 <= T <= 1,000. Each of the following T lines will have an integer 1 <= N <= 1,000,000.

Output

For each case, output a single line consisting of the number of cards needed to build a pyramid card of level N modulo 1,000,007.

Example

Input Example
2
3
7

Output Example
15
77

Added by:Paulo Costa
Date:2012-01-30
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All except: ASM64
Resource:UGTO

hide comments
2012-02-10 20:16:45 Shashank_Jain
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/\/\/\ kinda like this.. but with cards between each level ..... i can't draw that :)
2012-02-09 06:54:10 yahya
how could it gives Time limit exceed !
it is O(n) ?!!!
2012-02-08 04:15:29 Nnavneetsinha
do take modulo 1000007 at last .this costed me 3 wa's.
2012-02-08 00:02:11 Unicamp Alfa
The picture is equivalent to this one: http://cf.ltkcdn.net/boardgames/images/std/50408-283x424-Card_pyramid.jpg
Thanks man.

Last edit: 2012-02-15 11:37:51
2012-02-07 17:03:08 Ikhaduri
where's the picture?? please upload it, i can't understand the question well.
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