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

Example Input: THEM: i keep the book you get the rest YOU: deal THEM: deal.
Example Output: Yes

Example Input: THEM: if i can have the balls and one hat you can have the rest YOU: deal THEM: great!
Example Output: Yes

Example Input: THEM: gimme the book and hats YOU: you can have the hats and i will get the book and the ball THEM: i need book, no deal otherwise YOU: no deal. sorry. THEM: we talk until button appears YOU: no deal. THEM: agreed YOU: no deal. THEM: yes YOU: no deal.
Example Output:
No