Given two positive integers X and Y. Your task is to add two integers and output their sum.

Input Format:
First line of input contains number of testcase T. For each testcase, there will be a single line, containing two positive integers seperated by space.

Output Format:
For each testcase, output the sum of all integers.

User Task: Your task is to complete the function add() which returns the sum of two integers.

Constraints:
1 <= T <= 10
1 <= X, Y <= 10³⁰

Example:
Input:
1
111111 11111

Output:
122222

Explanation:
Testcase 1: Sum of given two integers is 122222.

** For More Input/Output Examples Use 'Expected Output' option **