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#include <iostream>

using namespace std;

#define CNUM 26

int chrs[2][2][CNUM];

int main() {
  int i, j, n;
  unsigned char c;
  bool ok = true;

  ios_base::sync_with_stdio(0);
  cin >> n;

  for (i = 0; i < CNUM; ++i) {
    chrs[0][0][i] = 0;
    chrs[0][1][i] = 0;
    chrs[1][0][i] = 0;
    chrs[1][1][i] = 0;
  }

  for (j = 0; j < 2; ++j) {
    for (i = 0; i < n; ++i) {
      cin >> c;
      c -= 'a';
      chrs[j][i % 2][c] += 1;
    }
  }

  for (c = 0; ok && c < CNUM; ++c) {
    ok = (chrs[0][0][c] == chrs[1][0][c]) && (chrs[0][1][c] == chrs[1][1][c]);
  }

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