#include <bits/stdc++.h>

using namespace std;

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

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;
}