#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


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