Two Sum

Given two integers, return their sum.

You need to implement a function that takes two integers as input and returns a single integer which is their addition.

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Input

Two integers:

a = first number
b = second number

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Output

Return a single integer representing the sum of the two numbers.

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Example 1

Input: a = 2
b = 3

Output: 5

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Example 2

Input: a = -10
b = 25

Output: 15

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