#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 n;
        cin>>n;
        int arr[n];
        for(int i=0;i<n;++i)
            cin>>arr[i];
        long sum=0;
        for(int i=0;i<n;++i)
        {
            int num=arr[i];
            while(num)
            {
                int dig=num%10;
                sum+=dig;
                num/=10;
            }
        }
        if(sum%3==0)
            cout<<"Yes"<<endl;
        else cout<<"No"<<endl;
    }
    return 0;
}