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#include <iostream>
using namespace std;

int main()
{
	ios_base::sync_with_stdio(NULL);
	cin.tie(NULL);
	cout.tie(NULL);
	
	int N;
	cin >> N;
	
	char t1[N+1];
	char t2[N+1];
	int tmp1[26][2];
	int tmp2[26][2];
	
	for(int i=0; i<26; ++i)
		for(int j=0; j<2; ++j)
			tmp1[i][j] = 0, tmp2[i][j] = 0;
	
	cin >> t1 >> t2;
	
	for(int i=0; i<N; ++i)
	{
		tmp1[t1[i]-97][i%2]++;
		tmp2[t2[i]-97][i%2]++;
	}
	
	for(int i=0; i<26; ++i)
	{
		if(tmp1[i][0] != tmp2[i][0])
		{
			cout << "NIE\n";
			return 0;
		}
		
		if(tmp1[i][1] != tmp2[i][1])
		{
			cout << "NIE\n";
			return 0;
		}
	}
	
	cout << "TAK\n";
	return 0;
}