An Easy Task

问题描述 :
Ignatius was born in a leap year, so he want to know when he could hold his birthday party. Can you tell him?Given a positive integers Y which indicate the start year, and a positive integer N, your task is to tell the Nth leap year from year Y.

Note: if year Y is a leap year, then the 1st leap year is year Y.

输入:
The input contains several test cases. The first line of the input is a single integer T which is the number of test cases. T test cases follow.

Each test case contains two positive integers Y and N(1<=N<=10000).

输出:
For each test case, you should output the Nth leap year from year Y.

样例输入:

3
2005 25
1855 12
2004 10000

样例输出:

2108
1904
43236

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