Average of Three

It is Chef's birthday. You know that Chef's favourite number is $X$. You also know that Chef loves averages. Therefore you decide it's best to gift Chef $3$ integers $A_1, A_2, A_3$, such that: - The mean of $A_1, A_2$ and $A_3$ is $X$. - $1 \le A_1, A_2, A_3 \le 1000$. - $A_1, A_2$ and $A_3$ are **distinct**. Output any suitable $A_1, A_2$ and $A_3$ which you could gift to Chef. As a reminder,