Sentence 1: Atari also upgraded the basic design in 1986 with the `` 1040ST '' ( later written `` STF '' ) .
Sentence 2: Atari later improved the basic design with the `` 1040ST '' ( also written `` STF '' ) in 1986 .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?