#include <bits/stdc++.h>

using namespace std;

int getsum(int n)
{
    int sum;
    for (sum=0;n>0;sum+=n%10,n/=10);
    return sum;
}

string canConstruct(vector <int> a)
{
    // Return "Yes" or "No" denoting whether you can construct the required number.
    int n= a.size();
    int sum=0;
    
    
    for(int i=0;i<n;i++)
    {
        int x= a[i];
        sum= (sum+ getsum(x))%3;
    }
    if(!sum)
        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;
}