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

public class Solution {

   // static String canConstruct(int[] a) {
      //  for(int i=0;i<n;i+)
  //  }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int t = in.nextInt();
        int d,sum=0;
        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();
            }
            sum=0;
            for(int i=0;i<n;i++)
            {
                while(a[i]>0)
                {
                  d=a[i]%10;
                  sum+=d;
                  a[i]=a[i]/10;
                }
            }
            if(sum%3==0)
                System.out.println("Yes");
            else 
                System.out.println("No");
            
        }
        in.close();
    }
}