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#include <iostream>
using namespace std;

int main()
{
	int t;
	cin >> t;
	int n;
	bool niedasie = false;

	int maxtemp, mintemp;

	for (int i = 0; i < t; i++)
	{
		cin >> n;

		int* l = new int[n];
		int* a = new int[n];
		int* b = new int[n];
		int cieplo = 0;
		int cieplopotrzebne = 0;
		int suma = 0;

		maxtemp = 0;
		mintemp = 1000001;
		niedasie = false;

		for (int j = 0; j < n; j++)
		{
			cin >> l[j] >> a[j] >> b[j];
			if (a[j] > maxtemp)
				maxtemp = a[j];
			if (a[j] < mintemp)
				mintemp = a[j];

			suma += l[j];
			cieplo += (l[j] * a[j]);
			cieplopotrzebne += (l[j] * b[j]);
		}

		if (cieplopotrzebne != cieplo)
			niedasie = true;
		else
		for (int j = 0; j < n; j++)
			if (b[j] > maxtemp || b[j] < mintemp)
				niedasie = true;
	
		if(niedasie)
			cout << "NIE" << endl;
		else
			cout << "TAK" << endl;
	}

	return 0;
}