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

public class Solution {

    static String canConstruct(int[] a) {
        int s = 0;
        for(int x : a) {
            s+=toNumber(x);
        }
        if (s%3 == 0) {
            return "Yes";
        } else {
            return "No";
        }
    }

    static int toNumber(int a) {
        int result = 0;
        while(a > 0) {
            result += a%10;
            a = a/10;
        }
        return result;
    }

    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();
    }
}