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: Możemy napisać, że B jest podzbiorem C, możemy nawet napisać, że B jest właściwym podzbiorem C.  
 English: We could write that B is a subset of C, or we could even write that B is a strict subset of C. 

Ex Output:
yes


Ex Input:
Polish: normalnie raczej nie spotkasz sie z diagramem, który ma taki rodzaj perspektywy,  
 English: you normally won't have the diagrams that have this type of perspective 

Ex Output:
yes


Ex Input:
Polish: Jedną z ról rządu jest tu  
 English: actually called reduced row echelon form.

Ex Output:

no