#P919B. Perfect Number
Perfect Number
No submission language available for this problem.
Description
We consider a positive integer perfect, if and only if the sum of its digits is exactly $10$. Given a positive integer $k$, your task is to find the $k$-th smallest perfect positive integer.
A single line with a positive integer $k$ ($1 \leq k \leq 10\,000$).
A single number, denoting the $k$-th smallest perfect integer.
Input
A single line with a positive integer $k$ ($1 \leq k \leq 10\,000$).
Output
A single number, denoting the $k$-th smallest perfect integer.
Samples
1
19
2
28
Note
The first perfect integer is $19$ and the second one is $28$.