#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    int t;
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        long s=0;
        for(int i=0;i<n;i++){
            int a;
            cin>>a;
            while(a>0){
                s+=a%10;
                a/=10;
            }
        }
        if(s%3==0)
            cout<<"Yes\n";
        else
            cout<<"No\n";
    }
    return 0;
}