#include <bits/stdc++.h>
using namespace std;

using int64 = long long;
using uint64 = unsigned long long;

map<int64, int64> memo;

int64 a(int64 n)
{
    if (memo.count(n) > 0)
    {
        return memo[n];
    }
    else if (n == 0)
    {
        return memo[n] = 1;
    }
    return (memo[n] = a(n / 3) + a(n / 5));
}

int main()
{
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    int64 N;
    cin >> N;

    cout << a(N) << endl;

    return 0;
}