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

int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */ 
    int t;
    cin>>t;
    while(t--){
        int n;
        ll ans=0;
        cin>>n;
        for(int i=0;i<n;i++){
            ll x;
            cin>>x;
            while(x>0){
                ans+=(x%10);
                x/=10;
            }
        }
        if(ans%3==0){
            cout<<"Yes"<<endl;
        }
        else{
            cout<<"No"<<endl;
        }
    }
    return 0;
}