#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;
        int sum = 0;
        for(int i=0;i<n;++i){
            int number;
            cin>>number;
            while(number!=0){
                sum = sum + number%10;
                number = number/10;
            }
        }
        if(sum%3==0)
            cout<<"Yes"<<endl;
        else
            cout<<"No"<<endl;
    }
    return 0;
}