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#include <bits/stdc++.h>
using namespace std;

int tak1[26];
int nie1[26];
int tak2[26];
int nie2[26];

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int n;
	cin >> n;
	string a, b;
	cin >> a >> b;
	for(int i=0;i<n;i+=2) {
		tak1[a[i]-'a']++;
		tak2[b[i]-'a']++;
	}
	for(int i=1;i<n;i+=2) {
		nie1[a[i]-'a']++;
		nie2[b[i]-'a']++;
	}
	for(int i=0;i<26;i++) {
		if(tak1[i] != tak2[i] or nie1[i] != nie2[i]) {
			cout << "NIE\n";
			return 0;
		}
	}
	cout << "TAK\n";
}