#include <iostream>

using namespace std;
int t,a,n,p;
int main()
{
    cin>>t;
    for(int j=1;j<=t;++j)
    {
        cin>>n;
        p=0;
        for(int i=1;i<=n;++i)
        {
            cin>>a;
            while(a)
            {
                p+=a%10;
                a/=10;
            }
        }
        if(p%3) cout<<"No\n";
        else cout<<"Yes\n";
    }
    return 0;
}