3. In the room, there are knights who always tell the truth, and liars who always lie. 15 of them said: "In this room, there are more knights than liars." 12 said: "In this room, there are more liars than knights." The remaining 27 said: "In this room, there are an equal number of liars and knights." How many liars could there be in the room? If there are multiple possible answers, write them in any order separated by a semicolon.
Answer: $27,42\|42,27\| 27 ; 42 \| 42 ; 27$

## Examples of answer notation:

45

$45 ; 60$

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