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