Number of Ones

Task

Count the number of ones in the binary representation of a given integer.

Input Format

An integer.

Output Format

An integer representing the count of ones in the binary representation of the input.

Sample Input

9

Sample Output

2

Explanation

The binary representation of 9 is 1001, which includes 2 ones.

Solutions

Language	Solution
C	not available
CPP	not available
C#	not available
Python	available
Java	not available
Ruby	not available
Swift	not available