Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.

Ex Input:
THEM: the ball and two books for me ; the hat and a book for you... whaddya say?  YOU: i don't want books, so how about all the books for you and the rest to me  THEM: i want that ball  YOU: i take the ball, and you get the rest?  THEM: its the same deal for me... the hat is 0. but i can live with just the books.

Ex Output:
No


Ex Input:
THEM: i'll offer the ball and a book  YOU: i need 1 hat and 2 books  THEM: i can't give the hat, i'll offer the ball and 2 books  YOU: can i have 3 books than and you keep ball and hat?  THEM: no, can't do that one  YOU: how about i get 1 book and 1 hat?  THEM: the ball and 2 books is the best i can do  YOU: ill settle for 3 books or 1 book and 1 hat  THEM: i can't do either, guess we won't come a deal on this one  YOU: i guess no deal then >. <

Ex Output:
No


Ex Input:
THEM: i need the hat and one ball  YOU: illl give you eveyrthing except my balls  THEM: deal.

Ex Output:

Yes


