#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	int a[n];
	int sum,sum2;
	bool flag;
	int n1;
	for (int i = 1; i <= n; i++) {
		cin>>n1;
		for(int i=1;i<=n1;i++){
		cin >> a[i];
		sum += a[i];
    
	}
    sum2 += a[i];
    if (sum2 * 2 == sum)
    flag = true;
    if(flag==true)cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
    flag=false;
	}
    return 0;
}