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

public class Solution {

    static String canConstruct(String s) {
        char[] sc=s.toCharArray();
        int sum=0,i=0;
        for(i=0;i<sc.length;i++)
            sum+=sc[i]-48;
        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();
            String j="";
            for(int a_i = 0; a_i < n; a_i++){
                j+=in.nextInt();
            }
            String result = canConstruct(j);
            System.out.println(result);
        }
        in.close();
    }
}