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


int main() {
    int t;
    cin>>t;
    while(t--)
    {
        int n;
        cin>>n;
        unsigned long long int a[n],t,sum=0;
        for(int i=0;i<n;i++)
        {
            cin>>a[i];
            t=a[i];
            while(t!=0)
            {
                sum=sum+(t%10);
                t=t/10;
            }    
        }
        if(sum%3==0)
            cout<<"Yes\n";
        else
            cout<<"No\n";
        
        
        
    }
    return 0;
}