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#include <iostream>

int main()
{
  std::ios::sync_with_stdio(false);

  int bit[2][26] = { 0 };
  int baj[2][26] = { 0 };

  int n;
  std::cin >> n;

  for (int i = 0; i < n; ++i) {
    char c;
    std::cin >> c;
    ++bit[i & 1][c - 'a'];
  }

  for (int i = 0; i < n; ++i) {
    char c;
    std::cin >> c;
    ++baj[i & 1][c - 'a'];
  }

  bool yes = true;
  for (int j = 0; j < 2; ++j) {
    for (int i = 0; i < 26; ++i) {
      yes &= (bit[j][i] == baj[j][i]);
    }
  }

  std::cout << (yes ? "TAK" : "NIE") << std::endl;
  return 0;
}