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

pair<vector<int>, vector<int>> oddEvenLetters(string s) {
  vector<int> cnt[2];
  for (int i = 0; i < 2; i++) {
    cnt[i].resize('z'-'a'+1);
  }

  for (int i = 0; i < (int)s.size(); i++) {
    cnt[i % 2][s[i] - 'a']++;
  }

  return make_pair(cnt[0], cnt[1]);
}

int main() {
  ios_base::sync_with_stdio(false);

  int n;
  cin >> n;

  string s1, s2;
  cin >> s1 >> s2;

  if (oddEvenLetters(s1) == oddEvenLetters(s2)) {
    cout << "TAK\n";
  }
  else {
    cout << "NIE\n";
  }
}