#include <bits/stdc++.h>
using namespace std;
long long n, a[100010];
int main() {
  cin >> n;
  for (int i = 0; i < n; i++) cin >> a[i];
  sort(a, a + n);
  if (n % 3 != 0) {
    if (a[n - 1] == 0)
      cout << "Yes" << endl;
    else
      cout << "No" << endl;
    return 0;
  }
  sort(a, a + n);
  if (a[0] == a[n / 3 - 1] && a[n / 3] == a[n / 3 * 2 - 1] &&
      a[n / 3 * 2] == a[n - 1] && a[n / 3 * 2] == a[0] ^ a[n / 3])
    cout << "Yes" << endl;
  else
    cout << "No" << endl;
}
