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

Example Input: THEM: what would you like  YOU: how about a book  THEM: you can have that. can i jhave the rest?  YOU: yes.  THEM: deal  YOU: ok.
Example Output: No

Example Input: THEM: i need the books and balls  YOU: you can have the books, but the balls no  THEM: how about books and one ball  YOU: no deal still  THEM: guess we have to click on the no deal button then  YOU: yap  THEM: yup  YOU: dont your books have any value?  THEM: yes, but the hats have zero value  YOU: so why cant i have the balls and the hats then?  THEM: 6 / 10 is too low..... 7 / 10 is safe  YOU: can i have the balls only then?  THEM: same number...... the hats have zero value.
Example Output: No

Example Input: THEM: hi can i have one hat and one ball?  YOU: i need the same. if i can have the hat and one ball and one book you can have the other ball and the books  THEM: well the books have no value to me  YOU: you can have the balls if i can have the hat and the books  THEM: can i have just the hat?  YOU: okay deal.  THEM: ok.
Example Output:
Yes

