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

public class Solution {

    static String canConstruct(Long[] a) {
        int i=0,j=0;
        int n= a.length;
        List<Long> l = new ArrayList<>();
        for(i=0;i<n;i++)
        {
            //String s= String.valueOf();
            Long temp = a[i];
            while(temp!=0)
            {
                l.add(temp%10);
                temp=temp/10;
            }
        }
        long sum=0;
        for(i=0;i<l.size();i++)
        {
            sum=sum+l.get(i);
        }
        if(sum%3==0)
        {
            return "Yes";
        }
        else
        {
            return "No";
        }
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int t = in.nextInt();
        for(int a0 = 0; a0 < t; a0++){
            int n = in.nextInt();
            Long[] a = new Long[n];
            for(int a_i = 0; a_i < n; a_i++){
                a[a_i] = in.nextLong();
            }
            String result = canConstruct(a);
            System.out.println(result);
        }
        in.close();
    }
}