def get_data_year_location_age(year, location, age, data_structure):
    """
    Retrieve the data for a given year, location, and age.

    :param year: a defined year for which corresponding data will be returned
    :param location: a defined location for which corresponding data will be returned
    :param age: a defined age for which corresponding data will be returned
    :param data_structure: the dictionary holding the input data
    :return: data dictionary
    """

    try:
        data_year_location_age = data_structure[year][location][age]
    except Exception as error:
        print(error)
        return None
    else:
        print(data_year_location_age)
        return data_year_location_age