For a positive integer n, let s(n) be the sum of the digits of n. If n is a two-digit positive integer such that \frac{n}{s(n)} is a multiple of 3, compute the sum of all possible values of n.
For a positive integer n, let s(n) be the sum of the digits of n. If n is a two-digit positive integer such that \frac{n}{s(n)} is a multiple of 3, compute the sum of all possible values of n.