# Find that number

$P(x)$ is a monic polynomial with integral coefficients $a_1, a_2, a_3,...,a_9$ are distinct integers such that $P(a_1) =P(a_2)=...=P(a_9)=10$. Find the integer $b$ such that $P(b)=981$.

If you think that no such integer exists, write 0 as your answer.

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