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