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


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */
    int t;
    cin >> t;
    
    while(t--)
    {
        
        int n;
        cin >> n;
        
        long long x;
        long sum=0;
        for(int i=0;i<n;i++)
        {
            
            cin >> x;
            while(x>0)
            {
              sum+= x%10;
                x= x/10;
             }
            
            
        }
        
        if(sum%3==0)
            cout <<"Yes" <<  endl;
        else 
            cout << "No" << endl;
        
        
    }
    return 0;
}