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: Od kiedy zamieszkujemy Ziemię wszyscy jesteśmy jej mieszkańcami. 
 English: I'll show you how we can construct these matrices.

Ex Output:
no


Ex Input:
Polish: Mam nadzieję, że  
 English: I don't know what you want to call that.

Ex Output:
no


Ex Input:
Polish: Możemy także odwrócić znaczek, którego używamy i wtedy mówimy o nadzbiorach.  
 English: We can also reverse the way we write this, and then we're really just talking about supersets. 

Ex Output:

yes