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

public class Solution {

    static int digitSum(int a) {
        int sum = 0;
        while(a>0){
            sum+=(a%10);
            a/=10;
        }
        return sum;
    }
    static String canConstruct(int[] a) {
        // Return "Yes" or "No" denoting whether you can construct the required number.
        int d = 0;
        for(int i=0;i<a.length;i++){
            d+=digitSum(a[i]);
        }
        return d%3==0 ? "Yes" : "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();
            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();
    }
}