#include #define NIL (-1) #define ll long long using namespace std; const int64_t MOD = 1e9 + 7; const int INF = INT_MAX; const double PI = acos(-1.0); int main() { int N, K; cin >> N >> K; vector A(N); set s; bool b = 0; for (int i = 0; i < N; i++) { int n; cin >> n; if (!i) A[i] = n; else A[i] = n ^ A[i - 1]; s.insert(A[i]); //cout << A[i] << endl; if (s.find(A[i] ^ K) != s.end()) b = 1; } cout << (b ? "Yes" : "No") << endl; }