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: więc Chiny nie są całkowicie komunistyczne  
 English: do this operation.

Ex Output:
no


Ex Input:
Polish: Powiedzmy, że mam tu jakąś książkę. Tu jest moja książka.  
 English: Let's say I've got some type of book over here. There is my book 

Ex Output:
yes


Ex Input:
Polish: do jej wygaśnięcia.  
 English: until the expiration. 

Ex Output:

yes