GregSithole

/**
 * Returns the Fizz Buzz value for a given number.
 *
 * @param {number} num - The input number.
 * @returns {string|number} The Fizz Buzz value:
 *   - "Fizz" if the number is divisible by 3.
 *   - "Buzz" if the number is divisible by 5.
 *   - "FizzBuzz" if the number is divisible by both 3 and 5.
 *   - The input number if none of the above conditions are met.
 */