#include <bits/stdc++.h>

using namespace std;
int check(long long a)
{
    int answer = 0;
    long long y = 0;
    while(a>0)
    {
        y = a%10;
        answer += y;
        a = a/10;
    }
    return answer;
}
string canConstruct(vector <int> a) {
    long long sum = 0;
for(int i=0;i<a.size();i++)
{
    sum += check(a[i]);    
}
    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;
}