import java.util.*;

public class Main {
    static HashMap<Long, Long> map = new HashMap<>();
	public static void main (String[] args) {
    	Scanner sc = new Scanner(System.in);
    	long n = sc.nextLong();
    	map.put(0L, 1L);
    	System.out.println(get(n));
    }
    
    static long get(long x) {
        if (!map.containsKey(x)) {
            map.put(x, get(x / 3) + get(x / 5));
        }
        return map.get(x);
    }
}