#include <bits/stdc++.h>
using namespace std;
#define rep(i,N) for(int i=0,i##_max=(N);i<i##_max;++i)
#define repp(i,l,r) for(int i=(l),i##_max=(r);i<i##_max;++i)
#define per(i,N) for(int i=(N)-1;i>=0;--i)
#define perr(i,l,r) for(int i=r-1,i##_min(l);i>=i##_min;--i)
#define all(arr) (arr).begin(), (arr).end()
#define SP << " " <<
#define SPF << " "
#define SPEEDUP cin.tie(0);ios::sync_with_stdio(false);
#define MAX_I INT_MAX //1e9
#define MIN_I INT_MIN //-1e9
#define MAX_UI UINT_MAX //1e9
#define MAX_LL LLONG_MAX //1e18
#define MIN_LL LLONG_MIN //-1e18
#define MAX_ULL ULLONG_MAX //1e19
  typedef long long ll;
  typedef pair<int,int> PII;
  typedef pair<char,char> PCC;
  typedef pair<ll,ll> PLL;
  typedef pair<char,int> PCI;
  typedef pair<int,char> PIC;
  typedef pair<ll,int> PLI;
  typedef pair<int,ll> PIL; 
  typedef pair<ll,char> PLC; 
  typedef pair<char,ll> PCL; 

inline void YesNo(bool b){ cout << (b?"Yes" : "No") << endl;}
inline void YESNO(bool b){ cout << (b?"YES" : "NO") << endl;}
inline void Yay(bool b){ cout << (b?"Yay!" : ":(") << endl;}

int main(void){
  SPEEDUP
  cout << setprecision(15);
  int N;cin >> N;
  map<ll,int> mp;
  rep(i,N){
    ll x;cin >> x;
    ++mp[x];
  }
  bool issat = false;
  vector<PLI> v;
  for(auto itr = mp.begin();itr!=mp.end();++itr) v.push_back(PIL(itr->first,itr->second));
  if(mp.count(0) && v.size()==2){
    if(v[1].first==0ll)swap(v[0],v[1]);
    if(v[0].second == 2*v[1].second)issat = true;
  }else if(v.size()==3){
    if(v[0].second == v[1].second && v[1].second == v[2].second)issat = true;
    if(v[0]==(v[1]^v[2]))issat = true;
  }
  YesNo(issat);
  return 0;
}
