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

int64_t dfs(int64_t n) {
  static map<int64_t, int64_t> dp;
  if (n == 0) return 1;
  if (dp.count(n)) return dp[n];
  return dp[n] = dfs(n / 3) + dfs(n / 5);
}

signed main() {
  ios::sync_with_stdio(false);
  int64_t N;
  cin >> N;
  cout << dfs(N) << endl;
  return 0;
}