import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.InputStream;
import java.io.*;
import java.util.*;

public class A {

    public static void main(String[] args) throws Exception {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);

        Solver solver = new Solver();    
        int t = in.nextInt();
        for (int i = 0 ; i < t ; i++)
            solver.solve(1, in, out);

        out.close();
    }

    static class Solver {    

        public void solve(int testNumber, InputReader in, PrintWriter out) {
            int n = in.nextInt();
            int sum = 0;
            for (int i = 0 ; i < n ; i++) {
                int x = in.nextInt();
                sum += digitSum(x);
            }
            if (sum % 3 == 0) out.println("Yes"); else out.println("No");
        }

        public int digitSum(int x) {
            int r = 0;
            while (x > 0) {
                r += x % 10;
                x /= 10;
            }
            return r;
        }


    }

    static class InputReader {

        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

        public int nextInt() {
            return Integer.parseInt(next());
        }

        public long nextLong() {
            return Long.parseLong(next());
        }

        public double nextDouble() {
            return Double.parseDouble(next());
        }

        public float nextFloat() {
            return Float.parseFloat(next());
        }
    }
}