\(\qquad\)We call a positive integer \(\it{alternating}\) if every two consecutive digits in its decimal representation are of different parity. \(\\\qquad\)Find all positive integers \(n\) such that \(n\) has a multiple which is alternating.
| Attributes | Олімпіадна |
|---|---|
| Source | International Mathematical Olympiad |
| Year | 2004 |
| Number | 6 |
| Difficulty | 10.0 |
| Themes |