#include<iostream>
#include<cstdio>
#include<vector>
#include<queue>
#include<map>
#include<string>
#include<cmath>
#include<algorithm>
#include<functional>
using namespace std;
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
#define INF 1<<30
#define MP make_pair
#define mp make_pair
#define pb push_back
#define PB push_back
#define DEBUG(x) cout<<#x<<": "<<x<<endl
#define ll long long
#define ull unsigned long long
ll F[5]={3,5,17,257,65537};
int main(){
	ll n;
	cin>>n;
	int ans=0;
	REP(i,1<<5){
		ll s=1;
		REP(j,5)if((i>>j)&1) s*=F[j];
		if(n/s!=0) ans+= (int)(log2(n/s))+1;
	}
	cout<<ans-2<<endl;
return 0;
}