#include <iostream>

using namespace std;

int a[2019];

int main() {
	a[1] = 1;
	for (int i = 2; i <= 2018; i++) {
		a[i] = a[i / 2] + i % 2;
	}
	int ans = 0;
	for (int i = 1; i <= 2018; i++) {
		if (a[i] == 9) {
			ans++;
		}
	}
	cout << ans;
	return 0;
}