package No200番台;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Scanner;

public class Q237 {
	public static void main(String[] args) {
		new Q237().solver();
	}

	void solver() {
		Scanner sc = new Scanner(System.in);
		long A = sc.nextLong();
		long[] F = { 3, 5, 17, 257, 65537 };
		// 正ｎ角形が作図可能
		// ⇔２のべき乗とフェルマー素数の積でかける。
		ArrayList<Long> s = new ArrayList<>();
		for (int i = 1; i < (1 << 5); i++) {
			long tmp = 1;
			for (int shift = 0; shift <= 4; shift++) {
				if (((i >> shift) & 1) == 1) {
					tmp *= F[shift];
				}
				
			}
			if (tmp != 1) {
				s.add(tmp);
			}
		}
		long ans = 0;
		for (int i = 0; i < s.size(); i++) {
			long d = s.get(i);
//			System.out.println(d);
			if (d <= A) {
				ans += (long) (Math.log((double) A / (double) d) / Math.log(2)) + 1;
			}
		}
		ans += (long) ((Math.log(A) / Math.log(2))) - 1;
		System.out.println(ans);
	}

	void tr(Object... o) {
		System.out.println(Arrays.deepToString(o));
	}
}