#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
typedef long long int ll;

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