Input (grade 13): The Ruprecht Karl University of Heidelberg (Ruperto Carola, Heidelberg University, or simply Heidelberg) is a public research university located in Heidelberg, Baden-W Ã 1\/4 rttemberg, Germany.
Output (grade 12): The University of Heidelberg is also known as Ruprecht Karl University of Heidelberg, after the German prince Rupert I.