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: Patrzymy na złote naczynie.  
 English: And we are looking at a gold vessel. 

Ex Output:
yes


Ex Input:
Polish: własności prywatnej, wolnych rynków,  
 English: the right hand side.

Ex Output:
no


Ex Input:
Polish: Te dwa pojęcia używane są czasem zamiennie.  
 English: Let me draw the matrix again.

Ex Output:

no