#include <bits/stdc++.h>


int main()
{
	std::ios_base::sync_with_stdio(0);

	int n;
	std::cin >> n;

	std::string src, dst;

	std::cin >> src >> dst;

	std::unordered_map<std::string::value_type, std::pair<int,int>> hs, hd;

	for(int i=0;i<26;i++)
	{
		hs['a'+i] = std::make_pair<int,int>(0,0);
		hd['a'+i] = std::make_pair<int,int>(0,0);
	}

	for(int i=0; i<n; i++)
	{
		if(i%2==0)
		{
			hs[src[i]].first++;
			hd[dst[i]].first++;
		}
		else
		{
			hs[src[i]].second++;
			hd[dst[i]].second++;
		}
	}

	std::cout << (hs == hd ? "TAK\n" : "NIE\n");

	return 0;
}