#arc084b. [arc084_b]Small Multiple
[arc084_b]Small Multiple
Problem Statement
Find the smallest possible sum of the digits in the decimal notation of a positive multiple of .
Constraints
- is an integer.
Input
Input is given from Standard Input in the following format:
Output
Print the smallest possible sum of the digits in the decimal notation of a positive multiple of .
Sample Input 1
6
Sample Output 1
3
yields the smallest sum.
Sample Input 2
41
Sample Output 2
5
yields the smallest sum.
Sample Input 3
79992
Sample Output 3
36