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

Input: Consider Input: THEM: i want the ball and a hat. i'm a cowboy who has big dreams of entering the nba.  YOU: i get the book and 2 hats then, that works for me  THEM: yes you get the book and 2 hats. dallas here i come.

Output: Yes


Input: Consider Input: THEM: i would like the book and the hat.  YOU: no problem, can i take all 3 balls?  THEM: deal.  YOU: deal.

Output: Yes


Input: Consider Input: THEM: i would like one of each object.  YOU: no balls  THEM: so the book and one hat?  YOU: yes i think thats fair.


Output: Yes


