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

Example 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.
Example Output: Yes

Example Input: THEM: could i get two hats and two balls?  YOU: you can have 1 hat and all the balls  THEM: sold.
Example Output: No

Example Input: THEM: i need the ball and 1 hat please.  YOU: sorry i really need the ball and book. you can have the hat  THEM: i really need the ball. you can have the book and the hats if i can have the ball.  YOU: sorry i cant make a deal without the ball.  THEM: i can't make a deal without the ball either. i guess we have no deal.  YOU: ok, i understand  THEM: no deal.  YOU: i agree  THEM: that button should come up soon. no deal.  YOU: yeah just waiting on it.
Example Output:
No

