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: Ten tutaj, to obraz pozorny.  
 English: This right here is a a virtual image 

Output: yes


Input: Consider Input: Polish: Bierze się to z faktu, że po rewolucji bolszewickiej w 1917  
 English: Well I did it on the left hand side, so I have to do it on

Output: no


Input: Consider Input: Polish: dx równa się temu wyrażeniu.  
 English: whatever the pretext and in whatever form, cannot achieve anything more than it already has:


Output: no