#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,n,i,temp,sum;
    cin>>t;
    while(t--)
    {
        cin>>n;
        int a[n];
        sum=0;
        for(i=0;i<n;i++)
        {
            cin>>a[i];
            temp=a[i];
            while(temp)
            {
                sum+=temp%10;
                temp/=10;
            }
        }
        if(sum%3==0)
            cout<<"Yes\n";
        else
            cout<<"No\n";
    }
    return 0;
}