Given two positive integers X and Y. Your task is to add two integers and output their sum.
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.
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.
1 <= T <= 10
1 <= X, Y <= 1030
Testcase 1: Sum of given two integers is 122222.
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