#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 */   long t;
    cin>>t;
    while(t--)
    {
        long n;
        cin>>n;
        long tmp;
        long sum=0;
        for(int i=0;i<n;i++)
        {
            cin>>tmp;
            while(tmp>0)
            {
                sum+= tmp%10;
                tmp/=10;
            }
        }
        if(sum%3==0)
            cout<<"Yes\n";
        else 
            cout<<"No\n";
    }
    return 0;
}