#include <bits/stdc++.h>

using namespace std;

string canConstruct(vector <int> a) {
    int t=0;
    // Return "Yes" or "No" denoting whether you can construct the required number.
    for (auto i:a){
        string one = to_string(i);
        
        for (auto j:one){
            int b = j-'0';     
            if(b)
                t=t+b;
        }
    }
    //cout << "t " << t << endl;
    if(t%3==0)
        return "Yes";
    return "No";
}

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;
}