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: i need the ball and the hats please  THEM: ball and one hat for you then  YOU: can you give up both hats?  THEM: i need one to get at least 5 points  YOU: okay i will take one hat and the ball.  THEM: deal.
Example Output: Yes

Example Input: THEM: can i have ball and 2 hats?  YOU: yes to the ball and even a book, but i must take umbrage at relinquishing any of the hats  THEM: book is 0 for me. how about ball and 1 hat?  YOU: it is not ideal but a reasonable request and i will agree  THEM: thanks.
Example Output: Yes

Example Input: THEM: hi, i need 3 books and 2 hats  YOU: sorry i need the hats and balls  THEM: no deal then, i can`t, it`s low score for me  YOU: i understand. no deal  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal  THEM: no deal  YOU: no deal.
Example Output:
No

