#include <bits/stdc++.h>
using namespace std;
const long long mod = 1000000007;
const long long INF = 1e+14;
const long double eps = 1e-8;
const long double pi = acos(-1.0);
void Yes() {
  cout << "Yes" << endl;
  exit(0);
}
void No() {
  cout << "No" << endl;
  exit(0);
}
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int N;
  cin >> N;
  long long a[100100];
  for (int i = 0; i < N; i++) cin >> a[i];
  if (N % 3 == 0) {
    sort(a, a + N);
    if (a[0] == 0 && a[N - 1] == 0) Yes();
    int n = N / 3;
    long long b = a[0], c = a[n], d = a[2 * n];
    if (b ^ c == d && a[n - 1] == b && a[2 * n - 1] == c && a[N - 1] == d) {
      Yes();
    }
    No();
  } else {
    sort(a, a + N);
    if (a[0] == 0 && a[N - 1] == 0) Yes();
    No();
  }
  return 0;
}
