#include <iostream>
#include <string>
#include <algorithm>
#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
map<long long, long long> m;
long long r(long long x) {
	if (x == 0) {
		return 1;
	}
	else if (m.count(x)) {
		return m[x];
	}
	else {
		return m[x] = r(x / 3) + r(x / 5);
	}
}
int main() {
	long long n;
	cin >> n;
	cout << r(n) << endl;
}