AT_abc426_a [ABC426A] OS Versions

The versions of a certain OS in chronological order are "`Ocelot`", "`Serval`", "`Lynx`". Determine whether version $ X $ is the same as or newer than version $ Y $ .

The input is given from Standard Input in the following format: > $ X $ $ Y $

If version $ X $ is the same as or newer than version $ Y $ , print `Yes`; otherwise, print `No`.

### Sample Explanation 1 Version `Serval` is the same as or newer than version `Ocelot`. Therefore, print `Yes`. ### Sample Explanation 2 Version `Serval` is not the same as nor newer than version `Lynx`. Therefore, print `No`. ### Sample Explanation 3 Version `Ocelot` itself is the same as or newer than version `Ocelot`. Therefore, print `Yes`. ### Constraints - Each of $ X $ and $ Y $ is one of "`Ocelot`", "`Serval`", "`Lynx`" (without quotation marks).