#include <bits/stdc++.h>

using namespace std;


int main() {
    int t;
    cin >> t;
     while(t--)
     {
         int a;
         cin>>a;
         int b,sum=0;
         for(int i=0;i<a;i++)
         {
             cin>>b;
             while(b)
             {
                 sum+=b%10;
                 b=b/10;
             }
             
         }
         if(sum%3==0)
             cout<<"Yes"<<endl;
         else
             cout<<"No"<<endl;
     }
    return 0;
}