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: I ogólnie, ten typ diagramów jest używany, by myśleć o tym,  
 English: And in general, this type of diagrams are used to think about 

Ex Output:
yes


Ex Input:
Polish: ponieważ gdy to zrobisz, mógłbyś narysować wszystkie  
 English: because if you do, you can draw 

Ex Output:
yes


Ex Input:
Polish: i zderzania tworzą trójkąt Sierpińskiego,  
 English: and crashing are creating Sierpinski's triangle. 

Ex Output:

yes