#include <bits/stdc++.h>

using namespace std;

string canConstruct(vector <int> a)
{
    string yes = "Yes";
    string no = "No";
    int sm = 0;
    int i = 0;
    while(i < a.size())
    {
        if(a[i] == 0)
        {
            i++;
            continue;
        }
        int j = a[i] % 10;
        a[i] /= 10;
        sm += j;
    }
    sm %= 3;
    if(sm == 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;
}