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#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using llu = unsigned long long;

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

  int n;
  cin >> n;
  string a, b;
  cin >> a >> b;
  vector<int> cnt_a1(26);
  vector<int> cnt_a0(26);
  vector<int> cnt_b1(26);
  vector<int> cnt_b0(26);
  for (int i = 0; i < n; i += 2) {
    cnt_a0[a[i]-'a']++;
    cnt_b0[b[i]-'a']++;
  }
  for (int i = 1; i < n; i += 2) {
    cnt_a1[a[i]-'a']++;
    cnt_b1[b[i]-'a']++;
  }
  bool good = true;
  for (int i = 0; i < 26; i++) {
    if (cnt_a1[i] != cnt_b1[i] || cnt_a0[i] != cnt_b0[i]) good = false;
  }
  cout << (const char*[]){"NIE\n", "TAK\n"}[good];

  return 0;
}