#include<iostream>
using namespace std;
int main()
{
    long long int t,n,x,sum;
    cin>>t;
    while(t--)
    {

        cin>>n;
        long long int sum=0;
        for(int i=0;i<n;i++)
        {
            cin>>x;
            while(x!=0)
            {
                sum=sum+x%10;
                x=x/10;
            }
        }
        if(sum%3==0)
        cout<<"Yes\n";
        else
            cout<<"No\n";

    }
    return 0;
}