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

public class Solution {

    
    
    static int sum(int x)
    {
        int s=0;
        while(x!=0)
        {
            s+=x%10;
            x=x/10;
        }
        return s;
    }
        
        
    static String canConstruct(int[] a,int n) {
        // Return "Yes" or "No" denoting whether you can construct the required number.
        
        int ans=0;
        
        for(int i=0;i<n;++i)
        {
            ans+=sum(a[i]);
            
        }
        
        if(ans%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,n);
            System.out.println(result);
        }
        in.close();
    }
}