#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 100;
int n;
int a[N];
int main() {
  ios_base::sync_with_stdio(false);
  cin >> n;
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
  }
  if (n == 3) {
    if (a[1] ^ a[2] == a[3] && a[2] ^ a[3] == a[1] && a[1] ^ a[3] == a[2]) {
      cout << "Yes";
      return 0;
    } else {
      cout << "No";
      return 0;
    }
  } else if (n == 6) {
    int cnt0 = 0;
    set<int> st;
    for (int i = 1; i <= n; i++) {
      if (a[i] != 0)
        st.insert(a[i]);
      else
        cnt0++;
    }
    if (cnt0 == 2 && st.size() == 1) {
      cout << "Yes";
      return 0;
    } else if (st.size() == 0) {
      cout << "Yes";
      return 0;
    } else {
      cout << "No";
      return 0;
    }
  } else {
    sort(a + 1, a + n + 1);
    if (a[1] == a[n] && a[1] == 0) {
      cout << "Yes";
      return 0;
    } else {
      cout << "No";
      return 0;
    }
  }
}
