#include <bits/stdc++.h>

using namespace std;
long long sumofdigits(long long a)
{
    long long sum = 0;
    while(a!=0)
    {
        sum+=a%10;
        a=a/10;
    }
    return sum;
}
string canConstruct(vector <long long> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    long long sum=0;
    for(int i = 0;i<a.size();i++)
    {
        sum+=sumofdigits(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<long long> 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;
}