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: Czyli to wyrażenie jest równe cosinus kwadrat teta.  
 English: or else the government or the animal welfare societies would have done something about it.

Ex Output:
no


Ex Input:
Polish: Ok. W jaki sposób to naczynie przetrwało?  
 English: Okay. And why-- how has this survived, 

Ex Output:
yes


Ex Input:
Polish: i mamy małe grono ludzi kontrolujących wszystko  
 English: OK, so I'm close.

Ex Output:

no