#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  int j = a[0];
  for (int i = 1; i < n - 1; i++) {
    j ^= a[i];
  }
  if (a[n - 1] == a[j])
    cout << "Yes" << endl;
  else
    cout << "No" << endl;
}
