In this task, answer 'Yes' if the frequency of the given word in the two sentences is equal, else answer 'No'.

Input: Consider Input: Sentence1: 'this is a man doing a trick on a board', Sentence2: 'a rusty sign is framed against the backdrop of a building'. Is the frequency of the word 'building' in two sentences equal?

Output: No


Input: Consider Input: Sentence1: 'a plane is arriving onto an airport runway', Sentence2: 'street signs that are hung on the side of a building'. Is the frequency of the word 'a' in two sentences equal?

Output: Yes


Input: Consider Input: Sentence1: 'two dogs sleeping on a bed covered with duvet', Sentence2: 'a close up of a baseball player putting on a helmet'. Is the frequency of the word 'a' in two sentences equal?


Output: No