Sentence 1: In 1974 , he won the positions of Concertmaster of the Boston Symphony and Associate Concertmaster of the Boston Pops , where he spent 11 years .
Sentence 2: In 1974 he won the positions of the concertmaster of the Boston Symphony and the Associate Concertmaster of the Boston Pops , where he spent 11 years .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?