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#include <bits/stdc++.h>
using namespace std;

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);

	unordered_map<char, int> pbit;
	unordered_map<char, int> npbit;
	unordered_map<char, int> pbyte;
	unordered_map<char, int> npbyte;

	int n;
	cin >> n;

	for (unsigned int i = 0; i < n; i++)
	{
		char a;
		cin >> a;

		if (i&1) // nieparzysta
		{
			npbit[a]++;
		}
		else
		{
			pbit[a]++;
		}
	}

	for (unsigned int i = 0; i < n; i++)
	{
		char a;
		cin >> a;

		if (i&1) // nieparzysta
		{
			npbyte[a]++;
		}
		else
		{
			pbyte[a]++;
		}
	}

	for (char c = 'a'; c <= 'z'; c++)
	{
		if ((pbit[c]!=pbyte[c])||(npbit[c]!=npbyte[c]))
		{
			cout << "NIE\n";
			return 0;
		}
	}

	cout << "TAK\n";
	return 0;
}