#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int arr[n];
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
  }
  if (n % 3 != 0) {
    cout << "No" << endl;
  } else {
    int ans = 0;
    for (int i = 0; i < n; i++) ans = ans ^ arr[i];
    if (ans == 0)
      cout << "Yes" << endl;
    else
      cout << "No" << endl;
  }
  return 0;
}
