#include<bits/stdc++.h>

using namespace std;

int main()
{
    int t;
    cin>>t;

    while(t--)
    {
        int n;
        cin>>n;
        vector<int> v(n);

        for(int i=0;i<n;i++)
            cin>>v[i];

        int sum=0;
        for(int i=0;i<n;i++)
        {
            int x=v[i];
            while(x!=0)
            {
                int r=x%10;
                sum+=r;
                x=x/10;
            }
        }

        if(sum%3==0)
            cout<<"Yes\n";
        else
            cout<<"No\n";

    }
}