#include <bits/stdc++.h>
using namespace std;

int main(){
  int n;
  cin >> n;
  vector<long long> data(n);
  long long a,b,c;
  for(int i=0; i<n; i++){
    cin >> data.at(i);
  }
  sort(data.begin(),data.end());
  int count = 0;
  a = data.at(0);
  
  for(int i=0; i<n-1; i++){
    if(data.at(i) != data.at(i+1)){
      count++;
      if(count == 1){
        b = data.at(i+1);
      }else if(count == 2){
        c = data.at(i+1);
      }
    }
  }
  
  if(count != 2){
    cout << "No" << endl;
    return 0;
  }
  
  long long tmp1 = a^b;
  
  if(tmp1 != c){
    cout << "No" << endl;
    return 0;
  }
  
  int counta=0,countb=0,countc=0;
  
  for(int i=0; i<n; i++){
    if(data.at(i) == a) counta++;
    if(data.at(i) == b) countb++;
    if(data.at(i) == c) countc++;
  }
  
  
  
  if(counta == countb && countb == countc){
    cout << "Yes" << endl;
  }else if(a == 0 && counta == n){
    cout << "Yes" << endl;
  }else if(a == 0 && counta * 2 == countb $$ count == 1){
    cout << "Yes" << endl;
  }else{
    cout << "No" <<endl;
  }
}