using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
class Solution {
 static string canConstruct(int[] a)
    {
        String s = "";
        // Return "Yes" or "No" denoting whether you can construct the required number.
        foreach (int i in a) {
             s = s + i + "";
        }
        int j = Convert.ToInt32(s);
        if (j % 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);
        }
    }
}