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