#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;
    cin>>t;
    while(t--)
    {
        long long int ans=0;
        int n;
        cin>>n;
        while(n--)
        {
            long long int a;
            cin>>a;
            while(a>0)
            {
                ans+=(a%10);
                a/=10;
            }
        }
        if(ans%3==0) cout<<"Yes\n";
        else cout<<"No\n";
    }
    return 0;
}