#include <iostream>
#include <vector>
#include <string>
#include <cstring>
#include <math.h>
#include <cmath>
#include <limits.h>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <functional>
#include <stdio.h>
using namespace std;

long long MOD = 1000000007;

int M[1000000] = {0};

long long func( long long i ) {
    
    if ( i < 1000000 ) { return M[i]; }
    
    long long a = func( i/3 ) + func( i/5 );
    
    return a;
}


int main() {
        
    long long N;
    cin >> N;
    
    M[0] = 1;
    for ( int i = 1; i < 1000000; i++ ) {
        M[i] = M[i/3] + M[i/5];
    }
    
    cout << func(N) << endl;
    
    
    
    return 0;
}