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".

Input: Consider Input: Polish: co oznacza, że są rzeczy w A, których nie ma w B.  
 English: which means that there are things in A that are not in B. 

Output: yes


Input: Consider Input: Polish: Inny krok w stronę socjalizmu  
 English: And of course, the same operations will be applied to

Output: no


Input: Consider Input: Polish: jednak mniej demokratyczne niż Stany czy Rosja  
 English: matrices to get here.


Output: no