#include <iostream>
#include <fstream>
using namespace std;
ifstream f("date.in");
int t,n,s,i,x;
int main()
{
    cin>>t;
    while(t--)
    {
        cin>>n;
        s=0;
        for(i=1;i<=n;i++)
        {
            cin>>x;
            while(x!=0)
            {
                s=s+x%10;
                x=x/10;
            }
        }
        if(s%3==0)
        {
            cout<<"Yes"<<"\n";
        }
        else
        {
            cout<<"No"<<"\n";
        }
    }
    return 0;
}