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: ok.
Example Output: Yes

Example Input: THEM: what do you think? YOU: hats are pretty important for me. i'd also like both books but would settle for 1. you? THEM: keep the hats but i take everything else. YOU: but what about splitting the books? THEM: no because i'm giving the very expensive hats to you YOU: okay, but i'm not loving that. THEM: alright,
Example Output: Yes

Example Input: THEM: what would you like YOU: book and the hat THEM: all balls for you only YOU: dont need them at all THEM: just two then YOU: what do you need THEM: i need book and two balls YOU: i cant give up the book THEM: then we have a catch 22 YOU: ok no deal then THEM: no deal.
Example Output:
No