#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 sum=0;
    int t;
    for(int i=0;i<a.size();i++)
    {
        while(a[i]!=0)
        {
            sum=sum+(a[i]%10);
            a[i]=a[i]/10;
        }
    }
    while(1)
    {
        t=0;
      if(sum>9)
      {
          while(sum!=0)
          {
              t=t+(sum%10);
              sum=sum/10;
          }
          sum=t;
      }
        else
        {
            
            break;
        }
    }
    
    if(sum==3 || sum==6 || sum==9)
    {
        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;
}