Definition: 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".

Positive Example 1 -
Input: Bulgarian: Състав на Парламента: вж. протоколи, English: Membership of Parliament: see Minutes
Output: yes

Positive Example 2 -
Input: Bulgarian: Защо бяхме против еврото по онова време?, English: Why were we against the euro at that time?
Output: yes

Negative Example 1 -
Input: Bulgarian: Имахме две основни причини за това, English: This is the very problem which we are facing today.
Output: yes

Negative Example 2 -
Input: Bulgarian: Състав на Парламента: вж. протоколи, English: Membership of Parliament: see Minutes
Output: no

Now complete the following example -
Input: Bulgarian: Те трябва да се използват правилно, за да бъдат ефективни - точният продукт и точната доза в точното време., English: They must be used correctly in order to be effective - the right product and the right dosage at the right time.
Output: 


Output: yes