using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
class Solution {

    static string canConstruct(int[] a) {        
        
        char[] n;
        int sum = 0;
        
        for(int i = 0; i < a.Length; i++)
        {
            if(a[i] != 0)
            {
                n = a[i].ToString().ToCharArray();
                for(int j = 0; j < n.Length;j++)
                    sum = sum + int.Parse(n[j].ToString());
            }
        }
        
        if (sum%3 == 0)
            return "Yes";
        else
            return "No";
    }

    static void Main(String[] args) {
        int t = Convert.ToInt32(Console.ReadLine());
        for(int a0 = 0; a0 < t; a0++){
            int n = Convert.ToInt32(Console.ReadLine());
            string[] a_temp = Console.ReadLine().Split(' ');
            int[] a = Array.ConvertAll(a_temp,Int32.Parse);
            string result = canConstruct(a);
            Console.WriteLine(result);
        }
    }
}