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#include <iostream>
using namespace std;


int main(int argc, char** argv) {
	int n;
	int taskNumbers[15] = {0};
	
	cin >> n;
	for (int i = 0; i<n; i++) {
		string idea; 
		cin >> idea;
		
		int lvl = (idea[0] - '1');
		int type = (idea[1] - 'A');
		
		taskNumbers[lvl * 3 + type] += 1;
	}
	
	bool canComplete = true;
	for (int i = 0; i < 5*3; i++) {
		if (taskNumbers[i] < 1) {
			canComplete = false;
			break;
		}
		if (i >= 4*3 && taskNumbers[i] < 2) {
			canComplete = false;
			break;
		}
	}
	
	if (canComplete) {
		cout << "TAK" << endl;
	} else {
		cout << "NIE" << endl;
	}
	
	return 0;
}