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

Input: Consider Input: THEM: gimme ballz  YOU: you can have balls if i can have the rest  THEM: gimme a book with the ball  YOU: no. you can only have ball if i can have all books and all hats.  THEM: bad deal for me then... why so mean?  YOU: bad deal for me, they didn't give me a lot to work with.  THEM: one of each for me, 2 books for u  YOU: no deal.  THEM: oh noes. gimme ball and a book  YOU: 1 ball for you. 3 books and 1 hat for me.  THEM: gimme ball and book  YOU: no deal.  THEM: i found a stale french fry.... i'll throw that in the pot. you good with that?

Output: No


Input: Consider Input: THEM: i would only like the book  YOU: i can not give up the book. would you be willing to make another deal?  THEM: well, how about that then  YOU: would you be willing to give up the book at all?

Output: No


Input: Consider Input: THEM: you can take all the books if i can have the hat and ball.  YOU: i want the hat and all the books  THEM: that hardly seems fair.  YOU: okay ill take the hat and half the books  THEM: ok.


Output: Yes


