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

int main(){
    int n;
    cin>>n;
    int res=0;
    while(n--){
        int x;
        cin>>x;
        res^=x;
    }
    if(res==0) cout<<"No"<<endl;
    else cout<<"Yes"<<endl;

    return 0;
}