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