Introduction - If you have any usage issues, please Google them yourself
Digital counting problem:
The pages of a book the natural number coding to N 1 began to order.
Page number according to the usual habits, the former bottom of each page number cannot contain extra 0,
Page 2 page number is 2, for example, cannot be 02, 002, etc.
Digital counting problems require input the keyboard page number N,
Output the book page Numbers, respectively, using the number of 0 ~ 9 Numbers.