#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i,n) for(int i=0;i<(int)(n);i++)

set<ll> se;
ll p[5]={3,5,17,257,65537};
int main(){
 ll n;cin>>n;
 rep(b, 32) {
ll s =1;
rep(i,5)s *= b&(1<<i)?p[i]:1;
  rep(i, 30) {
ll w=s<<i;
if(w<=n&&3<=w)se.insert(w);
  }
 }
cout<<se.size()<<endl;
}