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#include <bits/stdc++.h>

using namespace std;
int ile1[2][30], ile2[2][30];

void Zabawki()
{
	int n, i;
	string a, b;
	cin >> n;
	cin >> a >> b;
	for(i = 0; i < n; ++i)
	{
		++ile1[i % 2][a[i] - 'a' + 1];
		++ile2[i % 2][b[i] - 'a' + 1];
	}
	for(i = 1; i <= 26; ++i)
	{
		if(ile1[0][i] != ile2[0][i] || ile1[1][i] != ile2[1][i])
		{
			cout << "NIE\n";
			return;
		}
	}
	cout << "TAK\n";
}

int main ()
{
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	Zabawki();
	
	return 0;
}