#include<bits/stdc++.h>
using namespace std;

int find_depth(int N){
    int d = 1;
    while ((1 << d) - 1 <= N) ++d;
    return d - 1;
}

int calc_threshold(int t, int r){
    return t * ((1 << r) - 1);
}

bool solve(int N){
    if (N <= 1) return true;
    int D = find_depth(N);
    int t = 1;
    for (int d = 1; d < D; ++d){
        N -= t;
        int left = 2 * t + 1;
        int threshold = calc_threshold(left, D - d);
        if (N == threshold) return true;
        if (N > threshold){
            t = left;
        }else{
            t = left - 1;
        }
    }
    return N == t;
}

int main(){
    int N;
    cin >> N;
    cout << (solve(N) ? "YES" : "NO") << endl;
    return 0;
}