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#include <iostream>
using namespace std;

int bi[2][26],ba[2][26];

int main() {
	ios_base::sync_with_stdio(0);
	int n;
	cin >> n;
	string sbi,sba;
	cin >> sbi >> sba;
	for (int i=0;i<n;i++) {
		bi[i%2][sbi[i]-'a']++;
		ba[i%2][sba[i]-'a']++;
	}
	bool ok = true;
	for (int i=0;ok && i<26; i++)
		ok = bi[0][i]==ba[0][i] && bi[1][i]==ba[1][i];
	cout << (ok ? "TAK" : "NIE");
	return 0;
}