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#include <stdio.h>

using namespace std;



int main()
{
	char line[300001];
	int n, p[26], np[26];

	for (int i = 0; i < 26; i++)
	{
		p[i] = np[i] = 0;
	}

	scanf("%d", &n);
	scanf("%s", line);

	for (int i = 0; i < n; i += 2)
	{
		p[line[i] - 'a']++;
	}

	for (int i = 1; i < n; i += 2)
	{
		np[line[i] - 'a']++;
	}


	scanf("%s", line);

	for (int i = 0; i < n; i += 2)
	{
		p[line[i] - 'a']--;
	}

	for (int i = 1; i < n; i += 2)
	{
		np[line[i] - 'a']--;
	}

	bool ok = true;
	for (int i = 0; i < 26; i++)
	{
		if (p[i] != 0 || np[i] != 0)
		{
			ok = false;
		}

	}

	printf(ok ? "TAK" : "NIE");
}