#include <bits/stdc++.h>

using namespace std;

string canConstruct(vector <long> a)
{
    long ans=0;
    for(int i=0; i<a.size(); i++)
    {
        while(a[i]>0)
        {
            ans+=a[i]%10;
            a[i] = a[i]/10;
        }
    }
    if(ans%3==0)
    {
        return "Yes";
    }
    else
        return "No";
  
}

int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int n;
        cin >> n;
        vector<long> 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;
}