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

public class Solution {

    private static String canConstruct(int[] numbers) {
        long numberSum = 0;

        for(int number : numbers) {
            while (number > 0) {
                numberSum += number % 10;
                number /= 10;
            }

        }

        if(numberSum % 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();
            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();
    }
}