#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <bits/stdc++.h>
using namespace std;

typedef long long int ll;

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