In this task, you are given a sentence in the Bulgarian language and corresponding English translation of this sentence. Here, your job is to generate label "yes" if translation is right, otherwise generate label "no".

Ex Input:
Bulgarian: Освен този толкова важен въпрос, засягащ здравето на хората, трябва да се измери и въздействието върху околната среда., English: We are already aware of the harmful effects of certain chemical substances on groundwater and rivers.

Ex Output:
no


Ex Input:
Bulgarian: Вторник: Без изменения., English: Wednesday:

Ex Output:
no


Ex Input:
Bulgarian: (Se levanta la sesión a las 22.30 horas), English: (The sitting was closed at 10.30 p.m.)

Ex Output:

yes