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

Input: Consider Input: THEM: i'll take two books and a ball if that works for you?  YOU: deal.

Output: Yes


Input: Consider Input: THEM: i want three hats and one ball please  YOU: sorry, i need 3 hats and one book or ball  THEM: no then we need to share i can take 2 hats and 1 book and 1 ball?  YOU: that`s not fair sharing  THEM: well give me three hats and take the rest then  YOU: that`s 4 points for me. totally not fair  THEM: its same for me i don't have any use for it as well then no deal i guess  YOU: then no deal sorry.

Output: No


Input: Consider Input: THEM: i need the balls, the rest to you  YOU: i would liek one ball  THEM: okay, one ball to you, i'll take two balls and the book  YOU: they are all worth 2 points for me. i need 3 things in total.  THEM: okay, you can have one of each  YOU: great. thank you.


Output: Yes


