#include<bits/stdc++.h>
using namespace std;
using ll = long long;

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<endl
#define p2(s, t) cout << (s) << " " << (t) << endl
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << endl

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    // input
    ll A;
    cin >> A;

    vector<ll> F = {3, 5, 17, 257, 65537};
    set<ll> ans;
    FOR(i, 0, 1<<5){
        ll a = 1;
        FOR(j, 0, 5){
            if(i>>j&1){
                a *= F[j];
            }
        }

        while(a<=A){
            if(a>=3 && a<=A){
                ans.insert(a);
            }
            a *= 2;
        }
    }

    p(ans.size());
    
    return 0;
}