#include <bits/stdc++.h>

using namespace std;

int sum(int x)
{
    int res = 0;
    
    while(x > 0)
    {
        res += x%10;
        x/=10;
    }
    
    return res;
}
string canConstruct(vector <int> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    int res = 0;
    
    for(int i = 0;i< a.size();i++)
        res += sum(a[i]);
    
    if(res%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;
}