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

Example Input: THEM: hello 2 balls for me please  YOU: okay.
Example Output: Yes

Example Input: THEM: i need the hat and 1 book please.  YOU: i needs hat and balls  THEM: no deal. i need the hat and 1 book.  YOU: no deal?  THEM: i need the hat and 1 book.  YOU: we'll wait for no deal button  THEM: alright no deal.  YOU: ok  THEM: no deal.  YOU: wheres it at.
Example Output: No

Example Input: THEM: hello i would really enjoy the books.  YOU: can i have everything else?  THEM: yes you can.
Example Output:
Yes

