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

Ex Input:
Sentence1: 'a train going through town via railroad', Sentence2: 'a parent is pulling their child down the ski slope'. Is the frequency of the word 'a' in two sentences equal?

Ex Output:
Yes


Ex Input:
Sentence1: 'a green and white utility truck driving on dirt road', Sentence2: 'an animal on a grassy field of some sort'. Is the frequency of the word 'truck' in two sentences equal?

Ex Output:
No


Ex Input:
Sentence1: 'a group of young boys standing behind two microphones', Sentence2: 'yachts in a harbor at sunset with a city in the background'. Is the frequency of the word 'background' in two sentences equal?

Ex Output:

No