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