#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    int t;
    cin >>t;
    while(t--)
    {
        int n;
        cin >> n;
        long long int total =0;
        for(int i =0;i<n;i++)
        {
            int a;
            cin >> a;
            while(a)
            {
                total += a%10;
                a/=10;
            }
        }
        if(total%3==0)
            cout<<"Yes"<<endl;
        else cout <<"No"<<endl;
    }
    return 0;
}