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#include <iostream>
#include <map>

using namespace std;

int main() {
	int n, m;
	char i;
	map<char, int> a1, a2, b1, b2;
	cin >> n;
	m = n;
	while (n--)
	{
		cin >> i;
		if (n % 2)
			a1[i]++;
		else
			a2[i]++;
	}
	while (m--)
	{
		cin >> i;
		if (m % 2)
			b1[i]++;
		else
			b2[i]++;
	}

	if (a1 == b1 && a2 == b2)
		cout << "TAK";
	else
		cout << "NIE";
	
	return 0;
}