#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;

int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */ 
    ll i,j,k,l,n,m;
    cin>>m;
    while(m--)
    {
        cin>>n;
        ll a[n];
        for(i=0;i<n;i++)
            cin>>a[i];
        ll b[40]={0};
        j=0;
        for(i=0;i<n;i++)
        {
            l=a[i];
            while(l>0)
            {
                ll p=l%10;
                j+=p;
                l/=10;
            }
        }
        if(j%3==0)
        {
            cout<<"Yes\n";
        }
        else
            cout<<"No\n";
    }
    return 0;
}