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

Input: Consider Input: THEM: i would like the ball and the book and you can have all three hats for your wardrobe : )  YOU: i don't reall need the hats that much. that ball though, i crave it  THEM: ok you have the ball and i will take the rest. going to a rodeo next weekend!  YOU: i could use one hat though. so one ball and one hat for me?  THEM: ok i can part with one hat.

Output: Yes


Input: Consider Input: THEM: hi i would like the hat and ball and you can have the books  YOU: would you trade the hat for a book?  THEM: no im sorry, i cant do that.  YOU: ok, i accept your initial offer then.  THEM: thank you.

Output: No


Input: Consider Input: THEM: i would like the hat and the ball.  YOU: okay.


Output: Yes


