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

Example Input: THEM: can i have ball and 2 hats?  YOU: yes to the ball and even a book, but i must take umbrage at relinquishing any of the hats  THEM: book is 0 for me. how about ball and 1 hat?  YOU: it is not ideal but a reasonable request and i will agree  THEM: thanks.
Example Output: Yes

Example Input: THEM: yo yo yo. i would like 3 hats and 1 book good sir.  YOU: i would like the book and the ball, all hats to you brah.  THEM: hmm i do like hats, but i dunno mane.  YOU: i'll throw in a valentine  THEM: alright i guess that'll do. it better not be those awful candy hearts though. hats away.
Example Output: Yes

Example Input: THEM: i would like the hats and the ball.  YOU: unfortunately me too... which item is your most valuable? the ball?  THEM: i value the hats and the ball the same. which is more valuable for you?  YOU: hats and ball are the same ; do books hold any value to you?  THEM: a little. how about i take two hats and a book and you take the rest?  YOU: i suppose that's fair down the middle.  THEM: ok, i agree then.
Example Output:
Yes

