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

int main() {
    int t;
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        ll countt=0;
        while(n--){
            ll x;
            cin>>x;
            while(x!=0){
                countt+=x%10;
                x=x/10;
            }
        }
        if(countt%3==0)cout<<"Yes"<<endl;
        else cout<<"No"<<endl;
    }
    return 0;
}