#P2178. AnEasyProblem

AnEasyProblem

    In this problem, you are given two integers L and R, and your task is to calculate the sum of all the number's square between L and R(inclusive).

Input

The first line contains an integer T, indicates the number of test case.
The next T lines, each line contains two integers L and R(1≤L,R≤10^5).

Output

Print an integer represents the sum.

Sample Input

2
1 2
2 4

Sample Output

5
29

HINT

Source