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

Example Input: THEM: i would be great with 4 books, you could have the hat and ball  YOU: ok, fair enough.  THEM: ok deal i get 4 books you get 1 hat and 1 ball.
Example Output: Yes

Example Input: THEM: can i have the hat and two books please?  YOU: you can have the hat and 1 book  THEM: no deal  YOU: you can have all the hats, i get the rest  THEM: still no deal.  YOU: i will go with the first deal then  THEM: no ball no deal!  YOU: you can have the hat and 2 books  THEM: i thought i just said no ball no deal.  YOU: you want the ball? i get the rest then  THEM: i surely have to have either one hat or two books plus the ball. the ball was the basis of all this.
Example Output: No

Example Input: THEM: hi, i'd like 1 hat and 2 books.  YOU: i want the hat and ball  THEM: no, i really need the hat.  YOU: i can give you the hat if i get the rest  THEM: no, i really need the hat and 2 books to have decent points  YOU: 1 hat or the rest are the same amount of points for me, and its low  THEM: same here. no deal.  YOU: well if were evenly split it probably is a stalemate on who gets less  THEM: true. we can agree on the no deal then.  YOU: ok.
Example Output:
No

