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#include <cstdio>
#include <string>

int main()
{
	bool result = true;
	int n;
	std::string s;

	scanf("%d", &n);

	while (getchar() != '\n');
	if (n > 0) {
		for (int i = 0; i < n / 2; ++i) {
			s.push_back(getchar());
		}
		if (n % 2) {
			getchar();
		}
		for (int i = n / 2 - 1; i >= 0 / 2; --i) {
			if (s[i] != getchar()) {
				result = false;
				break;
			}
		}
	}
	else {
		char c;
		while ((c = getchar()) >= 'a' && c <= 'z') {
			s.push_back(c);
		}
		n = s.length();
		for (int i = 0; i < n / 2; ++i) {
			if (s[i] != s[n - i - 1]) {
				result = false;
				break;
			}
		}
	}

	printf("%s\n", result ? "TAK" : "NIE");

	return 0;
}