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#include<iostream>
#include<string>

using namespace std;

int count[26];

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n;
	cin >> n;
	string a, b;
	cin >> a >> b;
	for(int r = 0; r < 2; r++) {
		for(int i = r; i < n; i += 2) {
			count[a[i]-'a']++;
			count[b[i]-'a']--;
		}
		for(int i = 0; i < 26; i++) {
			if(count[i]) {
				cout << "NIE\n";
				return 0;
			}
		}
	}
	cout << "TAK\n";
	return 0;
}