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#include <iostream>
//#include <cstdio>
#include <string>
#include <map>

using namespace std;

struct counter_t
{
	int val;
	counter_t(): val(0){}
};

int n;
map<string, counter_t> slots;

int main() {

	std::ios_base::sync_with_stdio(false);

	cin >> n;

	string temp;
	for (int i = 0; i < n; i++) {
		cin >> temp;
		slots[temp].val++;
	}

	string divisions[] = {"A", "B", "C"};
	for (int round = 1; round <= 5; round++) {
		for(string a: divisions) {
			string ex_id = to_string(round) + a;
			int number_of_ex = slots[ex_id].val;

//			cout << "ex_id: " << ex_id << " number_of_ex: " << number_of_ex << endl;

			if (round < 5) {
				if (number_of_ex < 1 ) {
					cout << "NIE\n";
					return 0;
				}
			}
			else {
				if ( number_of_ex < 2) {
					cout << "NIE\n";
					return 0;
				}
			}
		}
	}

	cout << "TAK\n";
	return 0;

}