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();
		System.out.println(getValue(n));
	}
	
	static long getValue(long x) {
	    if (x == 0) {
	        return 1;
	    }
	    if (map.containsKey(x)) {
	        return map.get(x);
	    }
	    long ans = getValue(x / 3) + getValue(x / 5);
	    map.put(x, ans);
	    return ans;
	}
}