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#include <iostream>

using namespace std;

int ba[2][100];
int bi[2][100];

int main() {
	ios_base::sync_with_stdio(0);
	int n;
	cin >> n;
	char c;
	for (int i = 0; i < n; i++) {
		cin >> c;
		ba[i % 2][c - 'a']++;
	}
	for (int i = 0; i < n; i++) {
		cin >> c;
		bi[i % 2][c - 'a']++;
	}
	bool good = true;
	for (int i = 0; i < 2; i++) {
		for (int j = 0; j < 26; j++) {
			if (ba[i][j] != bi[i][j]) {
				good = false;
			}
		}
	}
    cout << (good ? "TAK\n" : "NIE\n");
}