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

Input: Consider Input: THEM: i'd like the book and one ball and one hat  YOU: if i could have all of the hats you can have the rest  THEM: deal.

Output: Yes


Input: Consider Input: THEM: i'd like 1 book and 2 hats and you can have all the balls. deal?  YOU: i'll take the book and balls  THEM: no deal on the book. you can have 2 hats though.  YOU: i'm the same with the book......  THEM: okay, unfortunately no deal.  YOU: n / p... not all deals work out  THEM: can i have all hats and all balls?  YOU: ok  THEM: ok, deal. confirming i get all hats and all balls.

Output: Yes


Input: Consider Input: THEM: do you have any books?  YOU: i have one. do you have any hats?  THEM: i have 3  YOU: what about basketballs?  THEM: i have 2  YOU: okay, how's this... you take the book.  THEM: ok, and i'll give you the 3 hats if you give me 2 balls.  YOU: sounds good.


Output: Yes


