Input (grade 7): Heraclitus of Ephesus (Ancient Greek: -; c. 535 c. 475 BCE) was a pre-Socratic Greek philosopher, a native of Ephesus, Ionia, on the coast of Asia Minor.
Output (grade 8): 535 - 475 BC) was a pre-Socratic Greek philosopher, a native of Ephesus, Ionia, on the coast of Asia Minor.