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

public class Solution {
    
    public static int sumd(int a){
        if(a<10)
            return a;
        else
            return (a%10)+sumd(a/10);
    }

    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];
            int sum=0;
            for(int a_i = 0; a_i < n; a_i++){
                a[a_i] = in.nextInt();
                sum+=sumd(a[a_i]);
            }
            if(sum%3==0)
                System.out.println("Yes");
            else
                System.out.println("No");
        }
        in.close();
    }
}