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

    static string canConstruct(int[] ar, int n) {
        int sum = 0;
        for(int i=0;i<n;i++){
            int x = ar[i];
            while(x>0){
                sum = sum + (x%10);
                x = x / 10;
            }
        }
        if(sum % 3 == 0){
            return "Yes";
        }
        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, n);
            Console.WriteLine(result);
        }
    }
}