**Smallest Even Multiple solution leetcode**

Given a **positive** integer `n`

, return *the smallest positive integer that is a multiple of both *

`2`

*and*

`n`

.This LeetCode contest is sponsored by FunPlus.**Example 1:**

Input:n = 5Output:10Explanation:The smallest multiple of both 5 and 2 is 10.

**Example 2:**

Input:n = 6Output:6Explanation:The smallest multiple of both 6 and 2 is 6. Note that a number is a multiple of itself.

**Smallest Even Multiple solution leetcode**

**Constraints:**

`1 <= n <= 150`