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#include <iostream>
#include <cstdio>
#include <cmath>
#include <string> 

#define MAX_LEN 2000000

using namespace std;



int main() {
	int n = 0;
	int size;
	scanf("%d\n", &size);
	n = size;
	if (size == 0)
		size = MAX_LEN;
	char signs[size];
	if (n > 0) {
		for (int i = 0; i < n; ++i) {
			scanf("%c", &signs[i]);
		}
	} else {
		char c;
		scanf("%c", &c);
		while (c != '\n') {
			signs[n] = c;
			n++;
			scanf("%c", &c);
		}
	}

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

	cout << "TAK" << endl;
	return 0;
}