#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include "bits/stdc++.h" using namespace std; #define rep(i, n) for (ll(i) = 0; (i) < (n); ++(i)) #define reps(i, k, n) for (ll(i) = (k); (i) < (n); ++(i)) #define repsi(i, k, n) for (ll(i) = (k); (i) <= (n); ++(i)) #define dreps(i, k, n) for (ll(i) = (k); (i) >= (n); --(i)) namespace util { using ll = long long; using vl = std::vector; using pl = std::pair; constexpr long long kInf = std::numeric_limits::max() / 8; constexpr long long kMax = std::numeric_limits::max(); template inline bool UpdateMax(T &x, const U &y) { if (x < y) { x = y; return true; } return false; } template inline bool UpdateMin(T &x, const U &y) { if (x > y) { x = y; return true; } return false; } // verified inline long long Pow(long long x, long long n) { assert(n >= 0); if (x == 0) return 0; long long res = 1LL; while (n > 0) { if (n & 1) { assert(x != 0 && std::abs(res) <= kMax / std::abs(x)); res = res * x; } if (n >>= 1) { assert(x != 0 && std::abs(x) <= kMax / std::abs(x)); x = x * x; } } return res; } // verified inline long long Mod(long long n, const long long m) { // returns the "arithmetic modulo" // for a pair of integers (n, m) with m != 0, there exists a unique pair of // integer (q, r) s.t. n = qm + r and 0 <= r < |m| returns this r assert(m != 0); if (m < 0) return Mod(n, -m); if (n >= 0) return n % m; else return (m + n % m) % m; } inline long long Quotient(long long n, long long m) { // returns the "arithmetic quotient" assert((n - Mod(n, m)) % m == 0); return (n - Mod(n, m)) / m; } inline long long DivFloor(long long n, long long m) { // returns floor(n / m) assert(m != 0); if (m < 0) { n = -n; m = -m; } if (n >= 0) return n / m; else if (n % m == 0) return -(abs(n) / m); else return -(abs(n) / m) - 1; } inline long long DivCeil(long long n, long long m) { // returns ceil(n / m) assert(m != 0); if (n % m == 0) return DivFloor(n, m); else return DivFloor(n, m) + 1; } template inline T Sum(const std::vector &vec) { return std::accumulate(vec.begin(), vec.end(), T(0)); } inline long long Max(const std::vector &v) { return *std::max_element(v.begin(), v.end()); } inline long long Min(const std::vector &v) { return *std::min_element(v.begin(), v.end()); } template bool Exists(const std::vector &v, F &&f) { return std::any_of(v.begin(), v.end(), f); } template bool ForAll(const std::vector &v, F &&f) { return std::all_of(v.begin(), v.end(), f); } class Sorted { private: const std::vector &vec_; public: Sorted(const std::vector &vec) : vec_(vec) {} long long CountInRange(long long begin, long long end) { return std::lower_bound(vec_.begin(), vec_.end(), end) - std::lower_bound(vec_.begin(), vec_.end(), begin); } long long CountSmaller(long long x) { return std::lower_bound(vec_.begin(), vec_.end(), x) - vec_.begin(); } long long CountLarger(long long x) { return vec_.end() - std::upper_bound(vec_.begin(), vec_.end(), x); } long long CountFrom(long long x) { return vec_.end() - std::lower_bound(vec_.begin(), vec_.end(), x); } long long CountTo(long long x) { return std::upper_bound(vec_.begin(), vec_.end(), x) - vec_.begin(); } }; inline long long PowMod(long long x, long long n, const long long m) { assert(n >= 0); assert(m != 0); if (x == 0) return 0; long long res = 1; x = Mod(x, m); while (n > 0) { if (n & 1) { assert(x == 0 || std::abs(res) <= kMax / std::abs(x)); res = Mod(res * x, m); } if (n >>= 1) { assert(x == 0 || std::abs(x) <= kMax / std::abs(x)); x = Mod(x * x, m); } } return res; } void Print(std::string s) { cout << s << '\n'; } void Print(long long x) { cout << x << '\n'; } template void Print(std::vector v) { for (int i = 0; i < v.size(); ++i) { cout << v[i] << " \n"[i == v.size() - 1]; } } } // namespace util using namespace util; void solve() { ll n; cin >> n; vl a(1 << n); rep(i, 1 << n) { cin >> a[i]; } rep(i, 1 << n) { reps(j, i, 1 << n) { if (a[i ^ j] != (a[i] ^ a[j])) { Print("No"); return; } } } Print("Yes"); } int main() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); std::cout << std::fixed << std::setprecision(15); solve(); return 0; }