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