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#pragma GCC optimize("O3")
#include <bits/stdc++.h>

int32_t main()
{
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(NULL);
	std::cout.tie(NULL);

	int toys_number;
	std::cin >> toys_number;

	std::string bitus, bajtus;
	std::cin >> bitus >> bajtus;

	std::string bitus_even = "", bitus_odd = "";
	std::string bajtus_even = "", bajtus_odd = "";

	for (int i = 0; i < toys_number; ++i)
	{
		if (i & 1)
		{
			bitus_odd += bitus[i];
			bajtus_odd += bajtus[i];
		}
		else
		{
			bitus_even += bitus[i];
			bajtus_even += bajtus[i];
		}
	}

	std::sort(bitus_even.begin(), bitus_even.end());
	std::sort(bitus_odd.begin(), bitus_odd.end());
	std::sort(bajtus_even.begin(), bajtus_even.end());
	std::sort(bajtus_odd.begin(), bajtus_odd.end());

	if (bitus_even == bajtus_even && bitus_odd == bajtus_odd) std::cout << "TAK\n";
	else std::cout << "NIE\n";

	return 0;
}