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

int main()
{
	int n;
	std::cin >> n;
	std::string a, b;
	std::cin >> a >> b;
	std::vector<std::vector<int>> v1(26, std::vector<int>(2));
	std::vector<std::vector<int>> v2(26, std::vector<int>(2));
	for (int i = 0; i < n; ++i)
	{
		++v1[a[i] - 'a'][i % 2];
		++v2[b[i] - 'a'][i % 2];
	}
	if (v1 == v2)
		std::cout << "TAK" << std::endl;
	else
		std::cout << "NIE" << std::endl;
	return 0;
}