#include<iostream>
#include<bits/stdc++.h>
using namespace std;
 
void solve(){
 
	int n;
	cin>>n;
 
	vector<int>arr(n);
	for(int i=0;i<n;i++){
		cin>>arr[i];
	}
	int f=0;
	int ff=0;
 
	for(int i=0;i<n-1;i++){
		int x=0;
 
		for(int j=0;j<=i;j++){
			x=x^arr[j];
		}
		f=0;
		int t=0;
		for(int j=i+1;j<n;j++){
			t=t^arr[j];
			if(x==t){
				f=true;
				t=0;
			}
		}
		if(t==0 && f==true){
			cout<<"YES"<<endl;
			ff=1;
			break;
		}
	}
 
	if(!ff){
		cout<<"NO"<<endl;
	}
 
	return;
}
int main(){
	int t;
	cin>>t;
	while(t--){
		solve();
	}
	return 0;
}

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MgozCjAgMiAyCjQKMiAzIDEgMTAK

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