Input (grade 13): Currently, the Barossa Valley has a population of about 20,000, most of whom live in Tanunda, Nuriootpa, Angaston, Williamstown and Lyndoch, each having over 1000 people, with a few smaller towns such as Moculta and Springton.
Output (grade 10): Most of these people live in Tanunda, Nuriootpa, Angaston, Williamstown and Lyndoch, each having more than 1000 people.