#include <cstdio>
#include <cstring>
#include <iostream>
#include <string>
#include <cmath>
#include <bitset>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <algorithm>
using namespace std;
typedef long long int ll;
typedef pair<ll, int> P;
int main()
{
	int n;
	cin>>n;
	int p[30];
	for(int i=1; i<30; i++){
		p[i]=(1<<i)-1;
	}
	for(int i=29; i>=1; i--){
		if(n<p[i]) continue;
		n-=p[i];
	}
	if(n==0) cout<<"YES"<<endl;
	else cout<<"NO"<<endl;
	return 0;
}