Input (grade 12): The Neckar is a 367 k long river, mainly flowing through the southwestern state of Baden-W Ã 1\/4 rttemberg, but also a short section through Hesse, in Germany.
Output (grade 9): The Neckar (German: Neckar) is a 367 km long river in the South-West of Germany, in the state of Baden-W Ã 1\/4 rttemberg.