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

Input: Consider Input: THEM: you can have all of the hats if i can have the book and one ball  YOU: ok, you can have both balls. i'll take the hats.  THEM: ok so i get the book and both balls?  YOU: yes.

Output: Yes


Input: Consider Input: THEM: i want two hats and a book.  YOU: i need the book and ball to make 6 / 10  THEM: take them. but give me all the hats.

Output: Yes


Input: Consider Input: THEM: ok, i want 10 books, you can have the rest, final deal  YOU: how about no. you can give me 1 book. and i want 2 balls as well.  THEM: k bye. i'm only taking 1 book  YOU: okay i will give you two hats for the 1 book  THEM: we are both wasting our time  YOU: yeah then accept it. two hats and give me the book  THEM: i want the book. i don't even get any points for it.  YOU: no i want the book, you can have all the balls  THEM: i've done these hits a million times. you get the bonus either way  YOU: fine take the book but i want all the balls and hats.


Output: Yes


