Contest1342/F.cpp

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin >> n;
    int sum = 0;
    int x;
    for(int i = 1; i <= n; i++){
        cin >> x;
        sum ^= x;
    }
    if(sum){
        cout << "Yes" << endl;
    }else{
        cout << "No" << endl;
    }
}