Definition: Given a sentence in English, provide an equivalent paraphrased version from the original that retains the same meaning.
Input: He graduated from the Galatasaray High School in Shumen in 1858 and became a teacher in Istanbul , where he remained until 1864 .
Output:
In 1858 he graduated from the Galatasaray School in Schumen and became a teacher in Istanbul , where he remained until 1864 .