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

Ex Input:
THEM: i'm not athletic you i don' need the ball, but i will take the books and a hat  YOU: you can have both hats if i can have a book  THEM: i need both of the books. you can have the ball and both hats though.  YOU: ok deal, thanks.

Ex Output:
Yes


Ex 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.

Ex Output:
Yes


Ex Input:
THEM: i need the ball one hat and one book  YOU: how about i get the ball, and 2 books and you get the rest  THEM: how about you have all the books and one hat, and i get the rest.  YOU: i really want the ball  THEM: how about you take the ball, and i take the rest  YOU: how i get the ball and one book and you get the rest?  THEM: i really need the books and the hat.  YOU: i at least need the ball and one book  THEM: well you can have the ball, and i take the rest.  YOU: no that doesn't work for me. i want the ball and one book.

Ex Output:

No


