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

Input: Consider Input: THEM: i'd like the hat and the book  YOU: i'd like the balls and the hat  THEM: you can have the balls and the book  YOU: ok.

Output: Yes


Input: Consider Input: THEM: if i can have the hats and the book you can have the balls  YOU: i need book and two balls  THEM: that seems reasonable. deal.  YOU: could you talk longer, other wise they ll tell us please negotiate longer  THEM: sure.  YOU: ok last messgae, so i ll take one book and two balls  THEM: yes. thank you!

Output: Yes


Input: Consider Input: THEM: hi, i would like the hats and balls and you can have the book.  YOU: hmmmmmm, can i have one hat please sir / ma'am to go with book?  THEM: im sorry i need the hats. how about you get the book and the balls?  YOU: ok deal  THEM: thanks!


Output: Yes


