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

public class Solution {

   
    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();
            int a;
            int sum=0;
            for(int a_i = 0; a_i < n; a_i++){
                a = in.nextInt();
                while(a>0)
                {
                    sum+=a%10;
                    a=a/10;
                }
                    
            }
            String result="No";
            if(sum%3==0)
                result="Yes";
           
            
            System.out.println(result);
        }
        in.close();
    }
}