#include <iostream>

using namespace std;

//string canConstruct(vector <int> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
//}

int main() {
    int t;
    cin >> t;
    int r=0,a;
    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;
            r=r+a%9;
        }
        //string result = canConstruct(a);
        if(r%3==0)
            cout << "Yes" << endl;
        else
            cout << "No" << endl;
    }
    return 0;
}