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


int main() {
    int t;
    cin>>t;
    for(int i=0;i<t;i++)
    {
        int n;
        cin>>n;
        int a[n];
        int sum=0;
        for(int j=0;j<n;j++)
        {
            int x;
            cin>>x;
            while(x)
            {
                int r=x%10;
                x/=10;
                sum+=r;
            }
        }
        if((sum%3)==0)
            cout<<"Yes"<<endl;
        else
            cout<<"No"<<endl;
    }
    return 0;
}