import java.util.*;

public class Main {
    static int n;
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        n = sc.nextInt();
        if (calc(0, 1)) {
            System.out.println("YES");
        } else {
            System.out.println("NO");
        }
    }
    
    static boolean calc(int s, int t) {
        s += t;
        if (s == n) {
            return true;
        } else if (s > n) {
            return false;
        }
        t *= 2;
        if (calc(s, t)) {
            return true;
        } else {
            return calc(s, t + 1);
        }
    }
    
}