// #pragma GCC target("avx") // #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") #include using namespace std; #define rep(i,n) for(int i = 0; i < (int)n; i++) #define FOR(n) for(int i = 0; i < (int)n; i++) #define repi(i,a,b) for(int i = (int)a; i < (int)b; i++) #define all(x) x.begin(),x.end() //#define mp make_pair #define vi vector #define vvi vector #define vvvi vector #define vvvvi vector #define pii pair #define vpii vector> template bool chmax(T &a, const T b) {if(a bool chmin(T &a, const T b) {if(a>b) {a=b; return true;} else {return false;}} using ll = long long; using ld = long double; using ull = unsigned long long; const ll INF = numeric_limits::max() / 2; const ld pi = 3.1415926535897932384626433832795028; const ll mod = 998244353; int dx[] = {1, 0, -1, 0, -1, -1, 1, 1}; int dy[] = {0, 1, 0, -1, -1, 1, -1, 1}; #define int long long void solve() { const int MX = 5001; int n; cin >> n; vi a(n); FOR(n) cin >> a[i]; int XOR = 0; vi cnt(MX); for(auto e : a) { ++cnt[e]; XOR ^= e; } if(XOR != 0) { cout << "No" << endl; return; } for(auto e : cnt) if(e >= 2) { cout << "Yes" << endl; return; } vvi dp(2, vi(1<<13, 0)); dp[0][0] = 1; rep(i, n) { int cur = i&1; int nxt = 1-cur; dp[nxt] = dp[cur]; rep(j, 1<<13) dp[nxt][j ^ a[i]] += dp[cur][j]; } cout << (dp[n&1][0]>2? "Yes" : "No") << endl; } signed main() { cin.tie(nullptr); ios::sync_with_stdio(false); solve(); return 0; }