#include<bits/stdc++.h>
using namespace std;
#define ll long long int
ll getsum(ll a)
{
    ll s=0;
    while(a)
    {
        s+=a%10;
        a=a/10;
    }
    return s;
}
int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        int n;
        cin>>n;
        ll x;
       ll sum=0;
        for(int i=0;i<n;i++)
        {
            cin>>x;
            ll k=getsum(x);
            sum+=k;
        }
        if(sum%3==0)
        {
            cout<<"Yes"<<"\n";
        }
        else
            cout<<"No"<<"\n";
    }
    return 0;
}