He is a member of the IEEE , the ACM , the AAAS and EATCS .
He is a fellow of the IEEE , the ACM , the AAAS , and EATCS .
He is a fellow of the IEEE , the ACM , the AAAS , and EATCS .
Reword this sentence: He is a member of the IEEE , the ACM , the AAAS and EATCS . Output: