#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;
    vector<int> arr(n,0);
    int sum = 0;
    for(int i = 0 ; i < n; i++)
    {
        cin >> arr[i];
        int temp = arr[i];
        while(temp)
        {
            sum += (temp % 10);
            temp /= 10;
        }
    }
    if(sum % 3 == 0)
    {
        cout << "Yes";
    }
    else
    {
        cout << "No";
    }
    cout << '\n';    
    }
    
    return 0;
}