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#include <iostream>
#include <map>
#ifdef DEBUG
#define DEBUG_LOG(x) do { \
	std::cerr << x << std::endl;\
} while (0)
#else
#define DEBUG_LOG(x) do { \
} while (0)
#endif

struct LetterStat
{
	uint64_t evens;
	uint64_t odds;
	LetterStat(uint64_t e=0, uint64_t o=0)
		: evens(e)
		, odds(o)
	{}

	friend std::ostream& operator<<(std::ostream& stream, LetterStat const& stat)
	{
		stream << "{e : ";
		stream << stat.evens;
		stream << ", o :";
		stream << stat.odds << "}";
		return stream;
	}

	bool operator==(LetterStat const& rhs) const
	{
		return (evens == rhs.evens) && (odds == rhs.odds);
	}

	bool operator!=(LetterStat const& rhs) const
	{
		return !((*this) == rhs);
	}
};

using StatMap_t = std::map<char,LetterStat>;

void LoadMap(std::istream& input, StatMap_t& sm, uint64_t num)
{
	char l;
	for(uint64_t i =0; i<num; i++)
	{
		input >> l;
		if (sm.find(l) == sm.end())
		{
			sm.emplace(l, LetterStat());
		}

		if (i & 0x01)
		{
			sm[l].odds += 1;
		}
		else
		{
			sm[l].evens += 1;
		}

	}
	
}

void Run(std::istream& input, std::ostream& output)
{
	uint64_t num = 0;
	input >> num;

	StatMap_t m1{};
	StatMap_t m2{};
	LoadMap(input, m1, num);
	LoadMap(input, m2, num);
	if (m1 == m2)
	{
		output << "TAK";
	}
	else
	{
		output << "NIE";
	}
	output << std::endl;
	
}


#ifndef DEBUG
int main(int argc, char* argv[])
#else
int main_(int argc, char* argv[])
#endif
{
	::Run(std::cin, std::cout);
	return 0;
}