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