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#include <iostream>
using namespace std;

int main() {
	ios_base::sync_with_stdio(0);
	
	int n;
	char c;
	int even1[26];
	int odd1[26];
	int even2[26];
	int odd2[26];
	
	for (int i = 0; i < 26; ++i) {
		even1[i] = 0;
		odd1[i] = 0;
		even2[i] = 0;
		odd2[i] = 0;
	}
	
	cin >> n;
	
	for (int i = 0; i < n; ++i) {
		cin >> c;
		c -= 'a';
		
		if (i % 2) {
			++odd1[c];
		} else {
			++even1[c];
		}
	}
	
	for (int i = 0; i < n; ++i) {
		cin >> c;
		c -= 'a';
		
		if (i % 2) {
			++odd2[c];
		} else {
			++even2[c];
		}
	}
	
	bool isPossible = true;
	for (int i = 0; i < 26; ++i) {
		if (odd1[i] != odd2[i] || even1[i] != even2[i]) {
			isPossible = false;
			break;
		}
	}
	
	cout << (isPossible ? "TAK" : "NIE") << endl;
	
	return 0;
}