#include <bits/stdc++.h>
using namespace std;
int t,n,a;
int main() 
{
    cin>>t;
    
    for (int i=1; i<=t; i++)
    {
        cin>>n;
        
        int sum=0;
        
        for (int j=1; j<=n; j++)
        {
            cin>>a;
            
            while (a>0)
            {
                sum+=(a%10);
                a/=10;
            }
        }
        
        if (sum%3==0) cout<<"Yes"<<endl;
            else cout<<"No"<<endl;
    }
     
    return 0;
}