#include <iostream>
using namespace std;

int npa[26], npb[26], pa[26], pb[26];

int main(){
	ios_base::sync_with_stdio(0);
	int n;
	cin >> n;
	string a, b;
	cin >> a >> b;
	for (int i = 0; i < n; i++){
		if (i % 2 == 0){
			pa[a[i] - 'a']++;
			pb[b[i] - 'a']++;
		}
		else {
			npa[a[i] - 'a']++;
			npb[b[i] - 'a']++;
		}
	}
	for (int i = 0; i < 26; i++){
		if ((pa[i] != pb[i]) || (npa[i] != npb[i])){
			printf("NIE\n");
			return 0;
		}
	}
	printf("TAK\n");
}