#include<bits/stdc++.h>
using namespace std;
#define ll long long int
int main()
{
	ll t;
	cin>>t;
	while(t--)
	{
		ll n;
		cin>>n;
		ll ar,sum=0;
		for(int i=0;i<n;i++)
		{
			cin>>ar;
			while(ar!=0)
			{
				sum+=ar%10;
				ar/=10;
			}
		}
		if(sum%3==0)
		cout<<"Yes"<<endl;
		else
		cout<<"No"<<endl;
	}
}