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: Muszą pracować na jego ziemi,  
 English: a way to keep score for our progress of how much we've learned. 

Ex Output:
no


Ex Input:
Polish: I ten rodzaj opcji, który przed chwilą opisałem nazywa się  
 English: And the type of option I've just described is called 

Ex Output:
yes


Ex Input:
Polish: To zdanie jest nieprawdziwe.  
 English: This right over here is false. 

Ex Output:

yes