#include<bits/stdc++.h>
#include<cstdio>

using namespace std;

int main()
{
    int n;
    cin >> n;
    int x=0;
    for(int i=0;i<n;i++){
        int a;
        cin >> a;
        x^=a;
    }

    cout << ( x ? "No" : "Yes" ) << endl;
}