In this task, you are given a sentence in Polish language and its corresponding English translation. Here, your job is to output label "yes" if the translation is correct, otherwise output "no".

Ex Input:
Polish: - państwo nie jest potrzebne. Na tym etapie  
 English: that, and I will show you that soon.

Ex Output:
no


Ex Input:
Polish: jakkolwiek mam nadzieję, ze ten pomógł ci zrozumeić nieco zreczy, z którymi będziemy musieli sobie poradzić.  
 English: but anyway, hopefully that gets you a little bit familiar with the things we'll be dealing with 

Ex Output:
yes


Ex Input:
Polish: Kąt odbicia jest równy kątowi padania  
 English: Incident angle is equal to reflected angles 

Ex Output:

yes