Mimi decides to play a game with the following rules:
A -subarray is a subarray of length .
The -uteness of an array is defined as the sum of all -subarrays of .
The winner is the person who can output the -uteness of for , where is the number of elements in . Can you beat Mimi?
Constraints
For all subtasks:
Subtask 1 [10%]
Subtask 2 [10%]
Subtask 3 [80%]
Input Specification
The first line of input will contain a single integer, .
The next line of input will contain space separated integers, .
Output Specification
lines, with the line being the -uteness of the array.
Sample Input
5
1 1 1 1 1
Sample Output
5
8
9
8
5
Comments
Try using 64 bit integers if you're getting WA on everything except for the test case.