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

public class Solution {
static int sumdigit(int a)
{  int sum=0;
    while(a>0)
    {
        sum=sum+a%10;
        a=a/10;
    }
 return sum;
}
    static String canConstruct(int[] a) {
        // Return "Yes" or "No" denoting whether you can construct the required number.
        long sum=0;
        for(int i=0;i<a.length;i++)
        {
            sum=sum+sumdigit(a[i]);
        }
    if(sum%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();
    }
}