Given ~N~ pairs of integers, ~A~ and ~B~, output the sum of each pair.

Input Specification

The first line will contain an integer ~N~ ~(1 \le N \le 100\,000)~, the number of addition problems to do. The next ~N~ lines will each contain two space-separated integers whose absolute value is less than ~1\,000\,000\,000~, the two integers to add.

Output Specification

Output ~N~ lines of one integer each, the solutions to the addition problems.

Sample Input

5
5 20
3 12
3 3
5 8
0 2

Sample Output

2
32
1
65
15