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

Example Input: THEM: i'd like both hats and 2 books please?  YOU: i would like that but i can't, i need all books and one hat and one ball  THEM: that doesn't work for me. i need both hats and at least 1 book.  YOU: ok both hats and one ball  THEM: confirming that i'm taking 2 hats and 1 book not the ball?  YOU: yes.
Example Output: Yes

Example Input: THEM: i would like the hat, two books and 2 balls  YOU: gimme a book  THEM: okay, you could have one book. so, i could have one book, one hat and two balls?  YOU: ouch, no. gimme book and a ball  THEM: okay so you could have one book and one ball  YOU: ok, thanks sir / ma'am  THEM: so, i get one book, one ball and the hat is that a deal?  YOU: ok.
Example Output: Yes

Example Input: THEM: i'll take the hat and both books  YOU: i have to have hat. you can have the rest.  THEM: deal.
Example Output:
Yes

