Compute nCr % p
Easy Accuracy: 24.62% Submissions: 604 Points: 2

Given 2 number n and r, compute nCr mod 109+7.

Input:
The first line of input contains an integer T denoting the number of test cases. Then T test cases follow. The first line of each test case contains the integers n and r.

Output:
Output nCr mod 109+7 for each test case in a new line.

Constraints:
1 <= T <= 100
1 <= n, r <= 1000

Example:
Input:
1
12 11

Output:
12

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