/* -*- coding: utf-8 -*-
 *
 * 2795.cc:  No.2795 Perfect Number - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* constant */

const long long pfns[] = {
  6LL,
  28LL,
  496LL,
  8128LL,
  33550336LL,
  8589869056LL,
  137438691328LL,
  2305843008139952128LL,
//1000000000000000000
};

/* typedef */

using ll = long long;

/* main */

int main() {
  ll n;
  scanf("%lld", &n);

  int k = 0;
  while (pfns[k] < n) k++;

  if (pfns[k] == n) puts("Yes");
  else puts("No");
  
  return 0;
}