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

Ex Input:
THEM: i want book and ball  YOU: that only leaves me 3 points. what about splitting the hats, you can have the book and i'll take the ball?  THEM: there are 4 hats, which are nothing for me, i need book & ball to get 3  YOU: that doesn't add up. the total points are 10. if the 4 books are worth nothing then the book and ball together have to equal 10.  THEM: guess i didn't read the hats correctly, looked at wrong column ; i need book 2 hats  YOU: that's fine.

Ex Output:
Yes


Ex Input:
THEM: i want the ball a hat and two books  YOU: no deal  THEM: ball and two books?  YOU: deal.

Ex Output:
Yes


Ex Input:
THEM: what would you like  YOU: just the ball and hat.  THEM: how about a hat and one book for you  YOU: i have to have the ball.  THEM: no deal  YOU: you can have the books and the hat.  THEM: never,  YOU: that is sad.  THEM: yup  YOU: should we just wait?

Ex Output:

No


