#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 arr[n];
        long s=0;
        for(int i=0;i<n;i++)
        {
            cin>>arr[i];
            long x = arr[i];
            
            long cons=10;
            while(x)
            {
                s+=(x%10);
                x/=10;
            }
            
            
        }
        if(s%3==0) cout<<"Yes\n";
        else cout<<"No\n";
        
    }
    return 0;
}