#include <stdio.h>

int main () {
  long long n = 0LL;
  
  int res = 0;
  
  long long p = 2LL;
  
  res = scanf("%lld", &n);
  
  while (p*(2LL*p-1LL) < n) {
    p *= 2LL;
  }
  
  if (p*(2LL*p-1LL) == n) {
    int is_ok = 1;
    for (long long q = 2LL; q*q <= 2LL*p-1LL; q += 1LL) {
      if ((2LL*p-1LL)%q == 0LL) {
        is_ok = 0;
      }
    }
    if (is_ok > 0) {
      printf("Yes\n");
      return 0;
    }
  }
  
  printf("No\n");
  return 0;
}