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