using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        var n = NN;
        for (var b = 29; b >= 0; --b)
        {
            if (n >= (1 << b) - 1)
            {
                n -= (1 << b) - 1;
            }
        }
        WriteLine(n == 0 ? "YES" : "NO");
    }
}