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.
        int len=a.length;
        String result="No";
        int[] arr=new int[len*len];
        int j=0;
        for(int i=0;i<len;i++){
            int num=a[i];
            while(num!=0){
                int r=num%10;
                num=num/10;
                arr[j++]=r;
            }            
        }
        int l=arr.length;
        int sum=0;
        for(int k=0;k<l;k++){
            sum+=arr[k];
        }
        if(sum%3==0){
            result="Yes";
        }
        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();
    }
}