use std::io::*;

fn main() {
    let mut s: String = String::new();
    std::io::stdin().read_to_string(&mut s).ok();
    let mut itr = s.trim().split_whitespace();
    let a: usize = itr.next().unwrap().parse().unwrap();

    let mut ans = 0;
    let f = [3, 5, 17, 257, 65537].to_vec();
    for i in 0..1 << 5 {
        let mut val = 1;
        for j in 0..5 {
            if i >> j & 1 == 1 {
                val *= f[j];
            }
        }
        for j in 0..30 {
            let tmp = val * (1usize << j);
            if 3 <= tmp && tmp <= a {
                ans += 1;
            }
        }
    }
    println!("{}", ans);
}