#include <bits/stdc++.h>

using namespace std;

int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int n;
        cin >> n;
        vector<int> a(n);
        int s=0;
        for(int i = 0; i < n; i++){
           cin >> a[i];
           while(a[i]!=0){
               s+=a[i]%10;
               a[i]/=10;
           }
        }
        if(s%3==0)
            cout<<"Yes"<<endl;
        else
            cout<<"No"<<endl;
    }
    return 0;
}