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


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */ 
    int t,n;
    cin>>t;
    while(t--){
        cin>>n;
        int *arr=new int [n];
        for(int i=0;i<n;i++){
            cin>>arr[i];
        }
        long long int sum=0;
        for(int i=0;i<n;i++){
            while(arr[i]!=0){
                sum+=arr[i]%10;
                arr[i]/=10;
            }
        }
        if(sum%3==0)cout<<"Yes"<<endl;
        else cout<<"No"<<endl;
        delete(arr);
    }
    
    return 0;
}