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#include <iostream>
//Mirek Pietrzycki
using namespace std;
int t,n,l,a,b,minp=1000001, mink=1000001, maksp=0, maksk=0;
long long sa,sb;
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    cin>>t;
    for (int i=1; i<=t; ++i)
    {
        cin>>n;

        for (int j=1; j<=n; ++j)
        {
            cin>>l>>a>>b;
            sa=sa+l*a;
            sb=sb+l*b;
            if(a<minp)minp=a;
            if(b<mink)mink=b;
            if(a>maksp)maksp=a;
            if(b>maksk)maksk=b;

        }
        if(sa!=sb)
            cout<<"NIE\n";
        else
          if(((maksp>=maksk)&&(minp<=mink)))
                cout<<"TAK\n";
             else
                cout<<"NIE\n";
        sa=0;
        sb=0;
        minp=1000001;
        mink=1000001;
        maksp=0;
        maksk=0;
    }

    return 0;
}