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

Example Input: THEM: i would like the hat at least. i can work with the rest YOU: ok, i'll take the ball and two books THEM: ok that is good.
Example Output: Yes

Example Input: THEM: hello, ranger. what would you like in order to help defend angel grove from rita? YOU: i need the book and ball THEM: ranger. i'm sorry. i can't do this deal. it seems you are working on more than one hit at a time and that slows this down.
Example Output: No

Example Input: THEM: you take the books and i take the hats and the ball YOU: never THEM: then you should counter offer YOU: you get one book and one hat THEM: i have to have the ball and at least 1 hat YOU: ok how about you take two books and one hat THEM: i have to have the ball or no deal YOU: no deal THEM: no deal YOU: ok then click no deal.
Example Output:
No