#include <bits/stdc++.h>

using namespace std;

#define ll long long

int main() {
    ll te;
    cin>>te;
    while(te--)
    {
        ll n,s=0;
        cin>>n;
        ll a[n];
        for(ll i=0;i<n;i++)
        {
            cin>>a[i];
            ll t = a[i],di;    //cout<<t<<" "<<endl;
            while(t>0)
            {
                di = t % 10;
                s += di;     //cout<<s<<endl;
                t = t / 10;
            }
        }
        //cout<<s<<endl;
        ll e = s % 3;
        if(e == 0)
        {
            cout<<"Yes"<<endl;
        }
        else
        {
            cout<<"No"<<endl;
        }
        
    }
    
    return 0;
}