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

Example Input: THEM: hi  YOU: hello, cann i have the 2 balls?  THEM: sure.
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: can i have the hats and the ball?  YOU: can i have 1 of the hats?  THEM: no  YOU: i need the 2 books and least 2 hats or the ball.  THEM: no deal  YOU: okay, we will have to mark no deal then.  THEM: no deal  YOU: no deal was agreed  THEM: yah  YOU: whenever the button appears.
Example Output:
No

