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.
        List<Integer> digits = new ArrayList<Integer>();
        int j = 0;
        for (int i=0; i < a.length; i++) {
            int n = a[i];
            while (n/10 > 0) {
                digits.add(n%10);
                n = n/10;
            }
            digits.add(n);
        }
        Iterator<Integer> it = digits.iterator();
        int sum = 0;
        while(it.hasNext()) {
            sum += it.next();
        }
        if (sum%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();
    }
}