In this task, you're given a text which is the body of the document. Indicate your answer as "Yes" if the text is about a person, otherwise indicate your answer as "No". Don't generate anything else apart from "Yes" or "No". Pay attention that for your answer to be "Yes", the passage should be generally about a person. Mentions of people in the text don't necessarily mean the text is about a person.

Input: Consider Input: Text:  The Dangerous World of Butterflies: The Startling Subculture of Criminals Collectors and Conservationists is a 2009 book by Doctor of Philosophy Peter Laufer. It is the first book in his untitled animal trilogy preceding Forbidden Creatures in 2010 and No Animals Were Harmed in 2011. The book explores the presence of the butterfly in the fields of organized crime ecological devastation species depletion natural history museum integrity and chaos theory.

Output: No


Input: Consider Input: Text:  Vasili Aleksandrovich Kuznetsov (Russian: Василий Александрович Кузнецов; born 24 August 1978) is a Russian professional footballer. Currently he plays for FC Istra.

Output: Yes


Input: Consider Input: Text:  Carlos Cazorla Medina (born December 7 1977 in Las Palmas de Gran Canaria) is a retired Spanish basketball player playing the Small forward position.


Output: Yes