#include<bits/stdc++.h>
using namespace std;
int main()
{
    int t;
    cin>>t;
    while(t!=0)
    {
        int n;
        cin>>n;
        int a[n];
        int i,sum=0,p;
        for(i=0;i<n;i++)
        cin>>a[i];
        for(i=0;i<n;i++)
        {
            while(a[i]>0)
         {
         p=a[i]%10;
          a[i]=a[i]/10;
       sum=sum+p;
       }
        }
        if(sum%3==0)
            cout<<"Yes"<<"\n";
        else
            cout<<"No"<<"\n";
        t--;
        
    }
}