#include <bits/stdc++.h>

using namespace std;

string canConstruct(vector <int> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    int total = 0, tmp;
    for (int i = 0; i < a.size(); ++i) {
        tmp = a[i];
        while (tmp) {
            total += tmp % 10;
            tmp /= 10;
        }
    }
    if (total % 3) return "No";
    else return "Yes";
}

int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int n;
        cin >> n;
        vector<int> a(n);
        for(int a_i = 0; a_i < n; a_i++){
           cin >> a[a_i];
        }
        string result = canConstruct(a);
        cout << result << endl;
    }
    return 0;
}