#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <queue>
#include <map>
#include <functional>
#include <cmath>
#include <tuple>
using namespace std;
#pragma warning (disable: 4996)

map<long long, long long>M;

long long sum(long long p) {
	if (p == 0) return 1;
	if (M[p] >= 1) return M[p] - 1;
	long long R = sum(p / 3) + sum(p / 5);
	M[p] = R + 1;
	return R;
}

int main() {
	long long n; cin >> n;
	cout << sum(n) << endl;
	return 0;
}