def get_template_file_name(template_output, input_file_name):
    """
    Returns the template file name.

    :param template_output:
        Template output.
    :type template_output: str

    :param input_file_name:
        Input file name.
    :type input_file_name: str

    :return:
        Template file name.
    :rtype: str
    """
    if template_output == '-':
        return input_file_name
    return template_output
