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