题目描述
Today is rose day, batch mates of Kabir and Tara decided to celebrate this day by exchanging roses with each other.
Note:$Note:$ exchanging means both the boy and the girl will give rose to each other.
In the class there are B$B$ boys and G$G$ girls.
Exchange of rose will take place if and only if at least one of them hasn't received a rose from anyone else and a rose can be exchanged only once.
Tara has to bring maximum sufficient roses for everyone and is confused as she don't know how many roses to buy.You are a friend of Kabir, so help him to solve the problem so that he can impress Tara by helping her.
-----Input:-----
- First line will contain T$T$, number of test cases.
- Each test case contains two space separated integers B$B$ (Number of boys) and G$G$ (Number of Girls).
-----Output:-----
For each test case, output in a single line the total number of roses exchanged.
-----Constraints:-----
- 1≤T≤105$1 \leq T \leq 10^5$
- 1≤B≤109$1 \leq B \leq 10^{9}$
- 1≤G≤109$1 \leq G \leq 10^{9}$
-----Sample Input:-----
1
2 3
-----Sample Output:-----
8
输入格式
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输出格式
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