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

Input Specification

The first line will contain an integer $N$ $(1\le N\le 100000)$, the number of addition problems to do. The next $N$ lines will each contain two space-separated integers whose absolute value is less than $1000000000$, 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