#include<bits/stdc++.h>
using namespace std;
int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        int n,su=0;
        cin>>n;
        for(int i=0;i<n;i++)
        {
            int x;
            cin>>x;
            while(x>0)
            {
                int r=x%10;
                su=(su+r)%3;
                x/=10;
            }
        }
        if(su==0)
               cout<<"Yes"<<endl;
            else
                cout<<"No"<<endl;
    }
    return 0;
}