#include <iostream>

using namespace std;

int main()
{
    int n;
    cin>>n;
    int res=0;
    for(int i=0;i<n;i++){
        int x;
        cin>>x;
        res^=x;
    }
    if(res==0)cout<<"No"<<endl;
    else cout<<"Yes"<<endl;
    //cout << "Hello world!" << endl;
    return 0;
}