Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
the result must be a number. Perhaps you are returning a value to a function as a string. sorry for my english
нет, число может быть задано в формате 49832 и переведя его в строку и использовав reverse, оно будет иметь вид 23894. Что не соответствует условиям задания