#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 S = a[0];
  for (int i = 0; i < N; i++) S = S ^ a[i];
  if (S == 0)
    cout << "Yes" << endl;
  else
    cout << "No" << endl;
}
