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


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