#include <bits/stdc++.h>

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