C

The sum of two ⬀

Find the sum of two numbers.

Input

The first line contains the number of test cases t (1 ≤ t ≤ 100). Each test consists of two 16-bit integers a and b.

Output

For each tests case print in a separate line the sum of two numbers a and b.

Input example #1

3
2 3
17 -18
5 6

Output example #1

5
-1
11