In an organization of 80 people, in free time 30 people like to enjoy the club, 35 people like reading books and 25 people like travelling from one place to another. It is also recognized that 15 people like clubs and reading books, 17 people like reading books and travelling, 14 people like both clubs and travelling, 9 people like reading books, travelling and clubs. The total number of people who don't like the club is: