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#include <iostream>
#include <cstdio>

using namespace std;

int n;
char c;

int tab[2][30];

int main ()
{
	scanf("%d\n", &n);
	for (int i = 0; i < n; ++i)
	{
		scanf("%c", &c);
		tab[i % 2][(int)(c - 'a')]++;
	}
	scanf("%c", &c);
	for (int i = 0; i < n; ++i)
	{
		scanf("%c", &c);
		tab[i % 2][(int)(c - 'a')]--;
	}
	for (int j = 0; j < 2; ++j) for (int i = 0; i < 26; ++i) if (tab[j][i] != 0)
	{
		printf("NIE\n");
		return 0;
	}
	printf("TAK\n");
	return 0;
}