Can you add this?

문제

Given two integers, calculate and output their sum.

입력

The input contains several test cases. The first line contains and integer t (t ≤ 100) denoting the number of test cases. Then t tests follow, each of them consisiting of two space separated integers x and y (−10⁹ ≤ x, y ≤ 10⁹).

출력

For each test case output output the sum of the corresponding integers.