#include <iostream>

using namespace std;

int main() {
	int arr[64];
	int i = 0;
	int l = 0;
	int n = 33;
	for (int i = 0; i < 64; i++)
	{
		arr[i] = 2;
	}

	while(n)
	{
		arr[i++] = n % 2;
		n /= 2;
	}

	for (int i = 0; i < 64; i++)
	{
		if (arr[i] != 2)
		{
			l++;
		}
	}
	cout << l;
	return 0;
}