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

Input: Consider Input: THEM: i'll the hat and ball and give you books.  YOU: i need the books and the ball  THEM: i can give you books books and hat for ball.  YOU: you take the ball, i get all the hats and books.

Output: Yes


Input: Consider Input: THEM: hello! i will give you a hat and two balls!  YOU: no thank you.  THEM: how about four balls?  YOU: you will give me 4 balls?  THEM: sure!  YOU: sounds good.

Output: Yes


Input: Consider Input: THEM: how about 2 books and a hat for you and i will take the rest  YOU: no thanks, i'd rather have the basketballs only, and you can have everything else.  THEM: how about 1 basketball and 2 books for me  YOU: no, how about 2 basketballs for me, and you can have 3 books and the hat  THEM: no can't do it  YOU: i'll take 2 basketballs and the hat  THEM: i need at least one of the basketballs and 2 books  YOU: no can do.  THEM: we are at an impass, i can do 1 basketball, 1 hat and 1 book  YOU: sure.


Output: Yes


