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

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

int main(){
    int A;
    cin >> A;
    int c = 0;
    REP(i,1<<5){
        ll v = 1;
        REP(j,5)if(i&(1<<j))v *= f[j];
        while(v <= A){
            if(v > 2) c++;
            v <<= 1;
        }
    }
    cout << c << endl;
    return 0;
}