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

public class Solution {

    static String canConstruct(int[] a) {
        // Return "Yes" or "No" denoting whether you can construct the required number.
        String st="";
        //int x[]=new int[a.length];
        int x=0;
        for(int i=0;i<a.length;i++)
        {
            st+=Integer.toString(a[i]);
        }
        for(int i=0;i<st.length();i++)
        {
            x+=Integer.parseInt(Character.toString(st.charAt(i)));
        }
        if(x%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();
    }
}