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

Ex Input:
THEM: i'd like the hat and the balls ; you can keep the books  YOU: okay agreed.

Ex Output:
Yes


Ex Input:
THEM: ill take a ball a hat and a book.  YOU: i will take the ball and books.  THEM: i can give you both books for the ball.  YOU: i have to have the ball.  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal!  THEM: no button.  YOU: we just have to wait for the no deal button by negotiate.

Ex Output:
No


Ex Input:
THEM: i want the book. we can split the rest  YOU: the hats have no value to me. how about you take all the hats, i keep book and the ball.  THEM: the book is what i am really wanting  YOU: nothing else has value to me, besides the book and the ball is of very low value. i cannot give up the book.  THEM: i cannot either  YOU: hats have no value to you?  THEM: very little  YOU: there's 4. hats have no value to me. without the book, there's no way i can make a deal.  THEM: me either  YOU: you just stated hats have "very little" value, which means that they have value. again, we can go back and forth or we can come to a compromise of sorts.

Ex Output:

No


