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

public class Solution {

    static String canConstruct(int[] a) {
        // Return "Yes" or "No" denoting whether you can construct the required number.
        ArrayList<Integer> al=new ArrayList<Integer>();
        String re="";
        for(Integer i:a){
            int num=i;
            while(num!=0){
                al.add(num%10);
                num=num/10;
            }
        }
        //System.out.println(al);
        int sum=0;
        for(Integer val:al){
            sum+=val;
        }
        if(sum%3==0){
            re="Yes";
        }
        else re="No";
        return re;
    }

    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 = new int[n];
            for(int a_i = 0; a_i < n; a_i++){
                a[a_i] = in.nextInt();
            }
            String result = canConstruct(a);
            System.out.println(result);
        }
        in.close();
    }
}