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.
    long sumOfDigits = 0;
    for (int n : a) {
      String number = String.valueOf(n);
      for (int i = 0; i < number.length(); i++) {
        sumOfDigits += Integer.valueOf(number.substring(i, i+ 1));
      }
    }

    return sumOfDigits % 3 == 0 ? "Yes" : "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();
    }
}