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: Na przykład możemy napisać, ze A jest podzbiorem A.  
 English: For example, we can write that A is a subset of A. 

Ex Output:
yes


Ex Input:
Polish: Kowale metalu odniesli sukces głównie w obróbce złota.  
 English: And gold work in particular was something that metalsmiths excelled in. 

Ex Output:
yes


Ex Input:
Polish: Powiedzieliśmy, że 2/3 x do kwadratu jest równe sinus kwadrat teta.  
 English: is the usual reply to any attempt to tell someone just how that dinner was produced.

Ex Output:

no