Problem Statement

Given an integer A, count and return the number of trailing zeroes.

Problem Constraints

1 <= A <= 109

Input Format

First and only argument is an integer A.

Output Format

Return an integer denoting the count of trailing zeroes.

Example Input

Input 1:

 A = 18

Input 2:

 A = 8

Example Output

Output 1:

 1

Output 2:

 3

Example Explanation

Explanation 1: