#include <bits/stdc++.h>

using namespace std;

string canConstruct(vector <int> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    int sum = 0 ;
    int n ;
    for ( int i = 0 ; i < a.size() ; i++ )
    {
        n = a[i] ;
        while (n != 0)
       {
           sum = sum + n % 10;
           n = n/10;
       }
    }
    if ( (sum%3) == 0  )
        return "Yes" ;
    else 
        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;
}