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

public class Solution {
    
    static boolean div3(int a){
        int x = a, s = 0;
        while(x > 0){
            s += x % 10;
            x /= 10;
        }
        return (s%3) == 0;
    }

    static String canConstruct(int[] a) {
        // Return "Yes" or "No" denoting whether you can construct the required number.
        boolean ok = true;
        int s = 0;
        for(int i : a){
            int x = i;
            while(x > 0){
                s += x % 10;
                x /= 10;
            }
        }
        if(s%3 == 0) return "Yes";
        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();
    }
}