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#include <iostream>
#include <vector>
#include <string>

using namespace std;

int main() {
	int n;

	cin >> n;

	if (n) {
		vector<char> firstHalf(n/2);

		int i;
		for (i = 0; i < firstHalf.size(); ++i) {
			cin >> firstHalf[i];
		}
		if (n % 2 == 1) {
			cin.ignore(); 
			++i;
		}
		for (; i < n; ++i) {
			if (cin.get() != firstHalf[n - i - 1]) {
				cout << "NIE" << endl;
				return 0;
			}
		}
	}
	else {
		string word;

		cin.ignore();
		getline(cin, word);

		n = word.size();

		for (int i=0; i < n/2; ++i) {
			if (word[i] != word[n - i - 1]) {
				cout << "NIE" << endl;
				return 0;
			}
		}
	}


	cout << "TAK" << endl;

	return 0;
}