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: ale ty jesteś znudzony i zastanawiasz się tylko...  
 English: but you're bored and you can't help but wonder... 

Ex Output:
yes


Ex Input:
Polish: ale możliwe, że gdyby program nauczania nie był tak okropny  
 English: but maybe, if the curriculum wasn't so appalling 

Ex Output:
yes


Ex Input:
Polish: Dlaczego?  
 English: Why? 

Ex Output:

yes