#include <bits/stdc++.h>
using namespace std;

int main()
{
	int t;
	cin >> t;
	while (t--) {
		int n;
		cin >> n;
		int res = 0;
		for (int i = 0; i < n; i++) {
			int a;
			cin >> a;
			while (a) {
				(res += a % 10) %= 3;
				a /= 10;
			}
		}
		cout << (res == 0 ? "Yes" : "No") << endl;
	}
	return 0;
}