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

public class Solution {

    static String canConstruct(int[] a) {
    
    		int n = a.length;
    		int sum = 0;
    		for(int i = 0 ; i< n; i++) {
    			sum += getSumOfDigits(a[i]);
    		}
    		
    		int value = getSumOfDigits(sum);
    		if(value %3==0)
    			return "Yes";
    		else
    			return "No";
    }
    
    
    

    private static int getSumOfDigits(int i) {
    		if(i < 10)
    			return i;
    		
    		else {
    			int temp = 0;
    			while(i != 0) {
    				temp += i %10;
    				i /=10;
    			}
    			return getSumOfDigits(temp);
    		}
	}




	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();
    }
}