#include<bits/stdc++.h>
#define ll long long int
#define mod 1000000007
#define fori(i,a,b) for(long long int i=a;i<=b;++i)
#define pb push_back
#define F first
#define S second
#define boost ios_base::sync_with_stdio(false);cin.tie(0); cout.tie(0)
using namespace std;
const ll N=2e5+5l;
int main()
{
    boost;
    //freopen("in.txt","r",stdin);
    //freopen("out.txt","w",stdout);
    int t;
    cin>>t;
    while(t--)
    {
        int n;
        cin>>n;
        ll a[n+5];
        for(int i=0;i<n;i++)
        {
            cin>>a[i];
        }
        int ans=0;
        for(int i=0;i<n;i++)
        {
            ll z=a[i];
            while(z>0)
            {
                ans+=z%10;
                z/=10;
            }
        }
        if(ans%3==0)
        {
            cout<<"Yes"<<endl;
        }
        else
        {
            cout<<"No"<<endl;
        }
    }
    return 0;
}