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 book and the hat. YOU: no problem, can i take all 3 balls? THEM: deal. YOU: deal.
Example Output: Yes

Example Input: THEM: i would like the book and the hat. YOU: ok.
Example Output: Yes

Example Input: THEM: can i have the balls and hat please? YOU: that wont work for me. i need the books hat and 2 balls THEM: okay, take two balls and hat, leave me two balls and the books YOU: that wont work for me. sorry. THEM: okay take the rest and i take the books.
Example Output:
No