Virtual contest is a way to take part in past contest, as close as possible to participation on time. It is supported only ACM-ICPC mode for virtual contests.
If you've seen these problems, a virtual contest is not for you - solve these problems in the archive.
If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive.
Never use someone else's code, read the tutorials or communicate with other person during a virtual contest.

No tag edit access

B. Perfect Number

time limit per test

2 secondsmemory limit per test

256 megabytesinput

standard inputoutput

standard outputWe 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.

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.

Examples

Input

1

Output

19

Input

2

Output

28

Note

The first perfect integer is $$$19$$$ and the second one is $$$28$$$.

Codeforces (c) Copyright 2010-2019 Mike Mirzayanov

The only programming contests Web 2.0 platform

Server time: Mar/21/2019 01:27:39 (f2).

Desktop version, switch to mobile version.

Supported by

User lists

Name |
---|