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#include <cmath>
#include <iostream>
using namespace std;

int main() {
  	// Create and open a text file
	int n_samples;
	cin >> n_samples;
	
	char letter;
	int number;

	int addition;

	bool is_provided[18];

	for (int i=0; i<18; i++) {
		is_provided[i] = false;
	}

	for (int i=0; i<n_samples; i++) {
		cin >> number;
		cin >> letter;
		if (letter == 'A') {
			addition = 0;
		}
		if (letter == 'B') {
			addition = 1;
		}
		if (letter == 'C') {
			addition = 2;
		}
		if (number == 5) {
			if (is_provided[number + addition * 6 - 1] == true) {
				number++;
			}
		}
		is_provided[number + addition * 6 - 1] = true;
	}

	bool all_provided = true;

	for (int i=0; i<18; i++) {
		if (is_provided[i] == false) {
			all_provided = false;
		}
	}
	
	if (all_provided) {
		cout << "TAK";
	} else {
		cout << "NIE";	
	}
	
	return 0;
}