#include <bits/stdc++.h>
using namespace std;
#define ll long long

int main() {
    int t;
    cin>>t;
    while(t--)
    {
        int n;
        cin>>n;
        ll a[n],i;
        for(i=0;i<n;i++)
            cin>>a[i];
        ll sum=0;
        for(i=0;i<n;i++)
        {
            ll temp=a[i];
            while(temp)
            {
                sum+=temp%10;temp=temp/10;
            }
        }
        if(sum%3==0)cout<<"Yes"<<endl;
        else
            cout<<"No"<<endl;
    }
    return 0;
}