#include <bits/stdc++.h>

using namespace std;

string canConstruct(vector <int> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    string s1="Yes",s2="No";
    int sum=0;
    vector<int> :: iterator it;
    
    for(it=a.begin();it!=a.end();it++)
    {
        int k=*it;
        while(k>0)
        {
            sum+=k%10;
            k=k/10;
        }
     }
    if(sum%3==0)
        return s1;
    return s2;
}

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;
}