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

Example Input: THEM: if i can have the books and the hat you can have the balls YOU: i need the hat and a ball THEM: i can not make that deal i need the hat as well. if i can have the hat and one book you can have the balls and one book YOU: that wont work THEM: okay then, i can not make a deal. i'm sorry. YOU: thats fine THEM: no deal. YOU: are you sure THEM: yes, no deal. i'm sorry. YOU: ok, well if you change your mind.
Example Output: No

Example Input: THEM: hi i would like the ball and books. you can have the hats YOU: no go, you can have the ball, the books are mine.
Example Output: No

Example Input: THEM: you can have both balls if i can have the book and hats YOU: no deal you can hvae both balls if i can have the rest THEM: no deal, the balls hold no value for me YOU: well too bad then no deal THEM: the book is a deal breaker for you? YOU: yup THEM: well i guess we are stuck then YOU: yup THEM: sorry we couldn't agree YOU: yup.
Example Output:
No