#include <bits/stdc++.h>
using namespace std;
template <typename TH>
void _dbg(const char* sdbg, TH h) {
  cerr << sdbg << "=" << h << "\n";
}
template <typename TH, typename... TA>
void _dbg(const char* sdbg, TH h, TA... t) {
  while (*sdbg != ',') {
    cerr << *sdbg++;
  }
  cerr << "=" << h << ",";
  _dbg(sdbg + 1, t...);
}
template <class C>
void mini(C& a4, C b4) {
  a4 = min(a4, b4);
}
template <class C>
void maxi(C& a4, C b4) {
  a4 = max(a4, b4);
}
template <class T1, class T2>
ostream& operator<<(ostream& out, pair<T1, T2> pair) {
  return out << "(" << pair.first << ", " << pair.second << ")";
}
template <class A, class B, class C>
struct Triple {
  A first;
  B second;
  C third;
  bool operator<(const Triple& t) const {
    if (first != t.first) return first < t.first;
    if (second != t.second) return second < t.second;
    return third < t.third;
  }
};
template <class T>
void ResizeVec(T&, vector<long long>) {}
template <class T>
void ResizeVec(vector<T>& vec, vector<long long> sz) {
  vec.resize(sz[0]);
  sz.erase(sz.begin());
  if (sz.empty()) {
    return;
  }
  for (T& v : vec) {
    ResizeVec(v, sz);
  }
}
template <class A, class B, class C>
ostream& operator<<(ostream& out, Triple<A, B, C> t) {
  return out << "(" << t.first << ", " << t.second << ", " << t.third << ")";
}
template <class T>
ostream& operator<<(ostream& out, vector<T> vec) {
  out << "(";
  for (auto& v : vec) out << v << ", ";
  return out << ")";
}
template <class T>
ostream& operator<<(ostream& out, set<T> vec) {
  out << "(";
  for (auto& v : vec) out << v << ", ";
  return out << ")";
}
template <class L, class R>
ostream& operator<<(ostream& out, map<L, R> vec) {
  out << "(";
  for (auto& v : vec) out << v << ", ";
  return out << ")";
}
int32_t main() {
  ios_base::sync_with_stdio(0);
  cout << fixed << setprecision(10);
  if (0) cout << fixed << setprecision(10);
  cin.tie(0);
  long long n;
  cin >> n;
  map<long long, long long> cnt;
  set<long long> vs;
  for (long long i = (1); i <= (n); ++i) {
    long long a;
    cin >> a;
    cnt[a]++;
    vs.insert(a);
  }
  vector<long long> vals((vs).begin(), (vs).end());
  if (((long long)(cnt).size()) > 3) {
    cout << "No\n";
  } else if (((long long)(cnt).size()) == 3) {
    if ((vals[0] ^ vals[1] ^ vals[2]) == 0 && cnt[vals[0]] == cnt[vals[1]] &&
        cnt[vals[1]] == cnt[vals[2]]) {
      cout << "Yes\n";
    } else {
      cout << "No\n";
    }
  } else if (((long long)(cnt).size()) == 2) {
    if (vals[0] == 0 && cnt[0] * 2 == cnt[vals[1]]) {
      cout << "Yes\n";
    } else {
      cout << "No\n";
    }
  } else {
    if (cnt[vals[0]] == n) {
      cout << "Yes\n";
    } else {
      cout << "No\n";
    }
  }
  return 0;
}
