#include <bits/stdc++.h>

using namespace std;

string canConstruct(int a[],int n) {
    int sum=0;
    // Return "Yes" or "No" denoting whether you can construct the required number.
    for (int i = 0; i !=n; ++i)
    {
        sum+=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;
        int a[20];
        for(int a_i = 0; a_i < n; a_i++){
           cin >> a[a_i];
        }
        string result = canConstruct(a,n);
        cout << result << endl;
    }
    return 0;
}