#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using v = vector<ll>;
int main() {
  ll n;
  cin >> n;
  auto a = v(n, 0);
  for (auto &i : a) cin >> i;
  ll c = a[0];
  for (ll i = 1; i < n; i++) c ^= a[i];
  cout << (c == a[0] ? "Yes" : "No");
  return 0;
}
