#include <bits/stdc++.h>

typedef long long ll;

using namespace std;

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