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


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */ 
    int t;
    cin>>t;
    while(t--)
    {
        int arr[100];int sum=0;int n;
        cin>>n;
        for(int i=0;i<n;i++)
        {
            cin>>arr[i];
            while(arr[i]!=0)
            {
                sum+=arr[i]%10;
                arr[i]=arr[i]/10;
            }
        }
        if(sum%3==0)
        {cout<<"Yes"<<endl;}
        else
            cout<<"No"<<endl;
    }
    return 0;
}