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#include <iostream>

using namespace std;

int litery1[2][26];
int litery2[2][26];

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

  int n;
  cin >> n;

  for (int i = 0; i < 2; i++) {
    for (int j = 0; j < 26; j++) {
      litery1[i][j] = 0;
      litery2[i][j] = 0;
    }
  }

  for(int i = 0; i < n; i++) {
    char c;
    cin >> c;
    litery1[i % 2][c - 'a']++;
  }

  for(int i = 0; i < n; i++) {
    char c;
    cin >> c;
    litery2[i % 2][c - 'a']++;
  }

  for (int i = 0; i < 2; i++) {
    for (int j = 0; j < 26; j++) {
      if (litery1[i][j] != litery2[i][j]) {
        cout << "NIE\n";
        return 0;
      }
    }
  }

  cout << "TAK\n";
  return 0;
}