import java.io.*;
import java.util.*;


public class Main_yukicoder639 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		long n = sc.nextLong();

		hm = new HashMap<>();
		hm.put(0L, 1L);

		pr.println(rec(n));
	}

	private static long rec(long n) {
		if (hm.containsKey(n)) {
			return hm.get(n);
		}

		long ret = rec(n / 3) + rec(n / 5);

		hm.put(n, ret);
		return ret;
	}

	private static Map<Long, Long> hm;

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(System.in);
		pr = new Printer(System.out);

		solve();

		pr.close();
		sc.close();
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}