Input (grade 13): The following towns are situated along the river Prut, from source to mouth: Delatyn, Kolomyia, Sniatyn, Chernivtsi, Novoselytsia, Darabani, Lipcani, Ungheni, Leova, Cantemir and Cahul.
Output (grade 9): These towns can be found along the Prut River, from source to mouth: Delatyn, Kolomyia, Sniatyn, Chernivtsi, Novoselytsia, Darabani, Ungheni, Cahul.