def fizzBuzz(value):
    if isMultiple(value, 3):
        return "Fizz"
    if isMultiple(value, 5):
        return "Buzz"
    return str(value)

# UM-02: is multiple utility method to check if a number is a multiple of another
def isMultiple(value, mod):
    pass # Placeholder for the actual implementation

def checkFizzBuzz(value, expectedRetVal):
    pass # Placeholder for the actual implementation
