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: Cały problem polega jednak na tym,  
 English: And then the other side stays the same as well.

Output: no


Input: Consider Input: Polish: przez pierwiastek kwadratowy z 3 razy x, i potem mamy tę stałą,  
 English: Reason demands a better answer.

Output: no


Input: Consider Input: Polish: Dla obserwatora on pochodzi z punktu tutaj  
 English: To this observer it came from that point right over there 


Output: yes