#include <bits/stdc++.h>

using namespace std;
int fsum(int a)
{
        if(a<10)
                return a;
        else
                return (a%10+fsum(a/10));
}

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