#include<bits/stdc++.h>
using namespace std;
#define int long long
#define rep(i,n) for(int i=0;i<(n);i++)
#define REP(i,a,b) for(int i=(a);i<(b);i++)
#define pb push_back
#define all(v) (v).begin(),(v).end()
typedef vector<int>vi;

int f[]={3,5,17,257,65537};

signed main(){
    int A;
    cin>>A;

    int ans=0;
    rep(i,30){
        rep(j,32){
            int a=(1ll<<i);
            rep(k,5)if(j>>k&1)a*=f[k];
            if(a>=3&&a<=A)ans++;
        }
    }

    cout<<ans<<endl;
    return 0;
}