//#define _GLIBCXX_DEBUG #include #define rep(i, n) for(int i=0; i; using vs = vector; using vi = vector; using vvi = vector; template using PQ = priority_queue; template using PQG = priority_queue, greater >; const int INF = 0xccccccc; const ll LINF = 922337203685477580LL; template inline bool chmax(T1 &a, T2 b) {return a < b && (a = b, true);} template inline bool chmin(T1 &a, T2 b) {return a > b && (a = b, true);} template istream &operator>>(istream &is, pair &p) { return is >> p.first >> p.second;} template ostream &operator<<(ostream &os, const pair &p) { return os << p.first << ' ' << p.second;} //head int X[30]; int n; int main() { ios::sync_with_stdio(false); cin.tie(0); cin >> n; X[0] = 1; rep(i, 29) X[i+1] = X[i]*2+1; for(int i = 30; i > 0; i--) { if(n >= X[i]) n -= X[i]; } cout << (n?"NO":"YES") << endl; }