#include<bits/stdc++.h>
using namespace std;
using Int = long long;
//INSERT ABOVE HERE
signed main(){
  vector<Int> v({3, 5, 17, 257, 65537});
  Int n=v.size();
  Int a;
  cin>>a;
  Int ans=0;
  for(Int b=0;b<(1<<n);b++){
    Int r=1,c=0;
    for(Int i=0;i<n;i++)
      if((b>>i)&1) r*=v[i],c++;
    while(r<=a){
      ans+=r>=3;
      r<<=1;
    }
  }
  cout<<ans<<endl;
  return 0;
}