#include <bits/stdc++.h>

using namespace std;
#define ll long long
int main() {
    int t;
    cin >> t;
    while(t--)
    {
        ll n;
        ll i;
        ll count=0;
        cin>>n;
        for(i=0;i<n;i++)
        {
            ll ab;
            cin>>ab;
            while(ab)
            {
                count=count+(ab%10);
                ab=ab/10;
            }
        }
        if(count%3==0)
        {
            cout<<"Yes"<<endl;
        }
        else
        {
            cout<<"No"<<endl;
        }
    }
    return 0;
}