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#include<iostream>
using namespace std;

string s, a;
int c[26][2];
int n;

int main() {
  ios_base::sync_with_stdio(0);

  cin >> n >> s;
  for (int i = 0; i < n; i++) {
    c[s[i] - 'a'][i % 2]++;
  }
  cin >> s;
  for (int i = 0; i < n; i++) {
    c[s[i] - 'a'][i % 2]--;
  }
  for (int i = 0; i < 26; i++) {
    if (c[i][0] != 0 || c[i][1] != 0) {
      cout << "NIE" << endl;
      return 0;
    }
  }
  cout << "TAK" << endl;

  return 0;
}