#include <bits/stdc++.h>

using namespace std;

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

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;
}