//Jan 2, 2018 8:38:25 PM
//Loki
import java.util.*;
public class B {

	public static void main(String[] asd) {
		Scanner s = new Scanner(System.in);
		int t = s.nextInt();
		int n;
		//int a[];
		long ans,tmp;
		while (t-- > 0) {
			n=s.nextInt();
			ans=0;
			for(int i=0;i<n;i++) {
				tmp=s.nextLong();
				while(tmp>0) {
					ans+=tmp%10;
					tmp/=10;
				}
			}
			if(ans%3==0) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}
		}
	}
}