#include <bits/stdc++.h>

using namespace std;

int sum(int n)
{
    int sum = 0;
    while(n>0)
    {
        int z = n%10;
        n=n/10;
        sum = sum+z;
    }
    return sum;
}

string canConstruct(vector <int> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    int sum1 = 0;
    for(int i = 0;i<a.size();i++)
    {
        sum1 = sum1 + sum(a[i]);
    }
    //cout<<sum1<<endl;
    if(sum1 % 3 == 0)
    return "Yes";
    return "No";
}

int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int n;
        cin >> n;
        vector<int> a(n);
        for(int a_i = 0; a_i < n; a_i++){
           cin >> a[a_i];
        }
        string result = canConstruct(a);
        cout << result << endl;
    }
    return 0;
}