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#include <bits/stdc++.h>

using namespace std;


typedef long long LL;


int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);

	int n;
	cin >> n;

	string s[2];
	int k[2][2][32] = {};

	for (int i = 0; i < 2; ++i) {
		cin >> s[i];

		int si = s[i].size();

		for (int j = 0; j < si; ++j) {
			int d = s[i][j] - 'a';
			k[i][j % 2][d]++;
		}
	}

	for (int i = 0; i < 2; ++i) {
		for (int j = 0; j < 32; ++j) {

			if (k[0][i][j] != k[1][i][j]) {
				cout << "NIE" << endl;
				return 0;
			}
		}
	}

	cout << "TAK" << endl;
}