#pragma GCC optimize("O2") #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define int ll #define INT128_MAX (__int128)(((unsigned __int128) 1 << ((sizeof(__int128) * __CHAR_BIT__) - 1)) - 1) #define INT128_MIN (-INT128_MAX - 1) #define clock chrono::steady_clock::now().time_since_epoch().count() #ifdef DEBUG #define dbg(x) cout << (#x) << " = " << (x) << '\n' #else #define dbg(x) #endif using namespace std; using ll = long long; using ull = unsigned long long; using ldb = long double; using pii = pair; using pll = pair; //#define double ldb template, class OP = plus> void pSum(rng &&v) { if (!v.empty()) for(T p = v[0]; T &x : v | views::drop(1)) x = p = OP()(p, x); } template, class OP> void pSum(rng &&v, OP op) { if (!v.empty()) for(T p = v[0]; T &x : v | views::drop(1)) x = p = op(p, x); } template T floorDiv(T a, T b) { if (b < 0) a *= -1, b *= -1; return a >= 0 ? a / b : (a - b + 1) / b; } template T ceilDiv(T a, T b) { if (b < 0) a *= -1, b *= -1; return a >= 0 ? (a + b - 1) / b : a / b; } template ostream& operator<<(ostream& os, const pair pr) { return os << pr.first << ' ' << pr.second; } template ostream& operator<<(ostream& os, const array &arr) { for(const T &X : arr) os << X << ' '; return os; } template ostream& operator<<(ostream& os, const vector &vec) { for(const T &X : vec) os << X << ' '; return os; } template ostream& operator<<(ostream& os, const set &s) { for(const T &x : s) os << x << ' '; return os; } const int C = 1000001; vector prime; int mpf[C]; void sieve() { for(int i = 1; i < C; i++) mpf[i] = i; for(int i = 2; i < C; i++) { if (mpf[i] == i) prime.emplace_back(i); for(int P : prime) { if (P > mpf[i] or i * P >= C) break; mpf[i * P] = P; } } } vector factorize(int val) { vector res; while(val > 1) { int p = mpf[val]; res.emplace_back(p, 0); while(val % p == 0) res.back().second += 1, val /= p; } return res; } vector factors(int val) { vector res(1, 1); for(auto [p, idx] : factorize(val)) { vector tmp; for(int i = 0, base = 1; i <= idx; i++, base *= p) for(int X : res) tmp.emplace_back(X * base); res.swap(tmp); } return res; } signed main() { ios::sync_with_stdio(false), cin.tie(NULL); sieve(); vector sol; for(int i = 0, s = 1; s * s * 2 <= (1ll << 60); i++, s *= 2) { if (mpf[i + 1] == (i + 1)) sol.emplace_back(s * (2 * s - 1)); } int n; cin >> n; if (ranges::find(sol, n) != sol.end()) cout << "Yes\n"; else cout << "No\n"; return 0; }