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

Example Input: THEM: i'd like all the balls please YOU: that works for me. you can have the balls and i will get everything else.
Example Output: Yes

Example Input: THEM: i need both balls and the book YOU: cant do it THEM: counter offer? YOU: both balls and a book for me THEM: nope. but i can let you have the book and both hats if i get both balls YOU: i need at least one ball THEM: i can't do that, we're at an impasse : ( YOU: alright then it wont work THEM: no deal YOU: blarg.
Example Output: No

Example Input: THEM: i need the books you can have the hat and the ball YOU: deal.
Example Output:
Yes