#include <iostream>
#include <vector>
using namespace std;

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);

  vector<pair<int, int>> cnt('z' - 'a' + 1, {0, 0});
  vector<pair<int, int>> idx('z' - 'a' + 1, {0, 0});
  
  int n; cin >> n;
  string s = "";
  string t = "";

  for(int i = 0; i < n; i++) {
    char c; cin >> c;
    s += c;
    cnt[c - 'a'].first++;
    idx[c - 'a'].first += i % 2;
  }

  for(int i = 0; i < n; i++) {
    char c; cin >> c;
    t += c;
    cnt[c - 'a'].second++;
    idx[c - 'a'].second += i % 2;
  }

  bool ans = 1;
  for(int i = 0; i < (int)cnt.size(); i++) {
    if(cnt[i].first != cnt[i].second || idx[i].first != idx[i].second) {
      ans = false;
      break;
    }
  }

  cout << (ans ? "TAK" : "NIE") << "\n";

  return 0;
}