#include #include using namespace std; using namespace atcoder; #define rep(i, n) for (long long i = 0; i < (long long)(n); i++) #define rrep(i,start,end) for (long long i = start;i >= (long long)(end);i--) #define repn(i,end) for(long long i = 0; i <= (long long)(end); i++) #define reps(i,start,end) for(long long i = start; i < (long long)(end); i++) #define repsn(i,start,end) for(long long i = start; i <= (long long)(end); i++) #define each(p,a) for(auto &p:a) typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef vector vll; typedef vector> vpll; typedef vector> vvll; typedef set sll; typedef map mpll; typedef pair pll; typedef tuple tpl3; #define LL(...) ll __VA_ARGS__; input(__VA_ARGS__) #define LD(...) ld __VA_ARGS__; input(__VA_ARGS__) #define Str(...) string __VA_ARGS__; input(__VA_ARGS__) #define Ch(...) char __VA_ARGS__; input(__VA_ARGS__) #define all(a) (a).begin(),(a).end() #define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() ); // << std::fixed << std::setprecision(10) const ll INF = 1LL << 60; const ld EPS = 1e-9; inline ll lfloor(ll x,ll m){return (x - ((x % m+ m)%m))/m;} inline ll positive_mod(ll a,ll m){return (a % m + m)%m;} inline ll popcnt(ull a){ return __builtin_popcountll(a);} template bool chmin(T& a, T b){if(a > b){a = b;return true;}return false;} template bool chmax(T& a, T b){if(a < b){a = b;return true;}return false;} template std::istream &operator>>(std::istream&is,std::vector&v){for(T &in:v){is>>in;}return is;} template std::ostream &operator<<(std::ostream&os,const std::vector&v){for(auto it=std::begin(v);it!=std::end(v);){os<<*it<<((++it)!=std::end(v)?" ":"");}return os;} templatevoid input(T&... a){(cin >> ... >> a);} void print(){cout << endl;} templatevoid print(const T& a, const Ts&... b){cout << a;((cout << ' ' << b), ...);cout << endl;} template void pspace(const T& a){ cout << a << ' ';} void perr(){cerr << endl;} templatevoid perr(const T& a, const Ts&... b){cerr << a;((cerr << ' ' << b), ...);cerr << endl;} void yes(bool i = true){ return print(i?"yes":"no"); } void Yes(bool i = true){ return print(i?"Yes":"No"); } void YES(bool i = true){ return print(i?"YES":"NO"); } //grid探索用 vector _ta = {0,0,1,-1,1,1,-1,-1}; vector _yo = {1,-1,0,0,1,-1,1,-1}; bool isin(ll now_i,ll now_j,ll h,ll w){return (0<=now_i && now_i < h && 0 <= now_j && now_j < w);} ll lpow(ll x,ll n){ll ans = 1;while(n >0){if(n & 1)ans *= x;x *= x;n >>= 1;}return ans;} ll Modlpow(ll x,ll n,ll m){ll ans = 1;ll a = x%m;while(n >0){if(n & 1){ans *= a;ans%= m;}a *= a;a %= m;n >>= 1;}return ans;} const ll MOD9 = 998244353LL; const ll MOD10 = 1000000007LL; int main(){ ios::sync_with_stdio(false);cin.tie(nullptr); LL(n); vll a(n);cin >> a; bool able = true; rep(i,14){ ll cnt = 0; rep(j,n){ if(a[j] >> i & 1){ cnt++; } } if(cnt % 2 == 0){ }else{ able = false; } } if(!able){ cout << "No" << endl; return 0; } if(n > 5000){ cout << "Yes" << endl; return 0; } vector> dp(n+1,vll(5001)); dp[2][a[1]] = 1; reps(i,2,n){ rep(j,5001){ if(dp[i][j] == 0)continue; dp[i+1][j] = dp[i][j]; dp[i+1][j ^ a[i]] = 1; } } // rep(i,n+1){ // rep(j,11){ // cout << dp[i][j] << " "; // } // cout << endl; // } Yes(dp[n][0]); }