#include using namespace std; using ull = unsigned long long; int main(){ ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; n = 1 << n; vector a(n); for(auto &&v : a) cin >> v; if(a[0]){ cout << "No" << '\n'; return 0; } for(int S = 0; S < n; S++){ for(int T = (S - 1) & S; T; T = (T - 1) & S){ if(a[S] ^ a[T] ^ a[S ^ T]){ cout << "No" << '\n'; return 0; } } } cout << "Yes" << '\n'; }