import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        final int N = s.nextInt();

        for(int i = 0; i < N; i++) {
            int NN = s.nextInt();
            int[] arr = new int[NN];
            for(int j = 0; j < NN; j++) {
                arr[j] = s.nextInt();
            }
            System.out.println(isEven(arr) ? "YES" : "NO");
        }
    }

    public static boolean isEven(int[] arr) {
        for (int index = 0; index < arr.length; index++) {
            int difference = 0;

            for (int i = index -  1; i > -1; i--) {
                difference += arr[i];
            }
            for (int i = index+1; i < arr.length; i++) {
                difference -= arr[i];
            }

            if (difference == 0) {
                return true;
            }
        }

        return false;
    }
}