def _greater_than_equal(input, values):
    """Checks if the given input is >= the first value in the list

    :param input: The input to check
    :type input: int/float
    :param values: The values to check
    :type values: :func:`list`
    :returns: True if the condition check passes, False otherwise
    :rtype: bool
    """

    try:
        return input >= values[0]
    except IndexError:
        return False