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#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;

#define all(x) (x).begin(), (x).end()
#define dbl(k, x) fixed << setprecision(k) << (x)

template <typename _T>
inline void _DBG(const char *s, _T x) {
  cerr << s << " = " << x << "\n";
}
template <typename _T, typename... args>
void _DBG(const char *s, _T x, args... a) {
  while (*s != ',') cerr << *s++;
  cerr << " = " << x << ',';
  _DBG(s + 1, a...);
}

#define _upgrade                \
  ios_base::sync_with_stdio(0); \
  cin.tie(0);                   \
  cout.tie(0);
#define DBG(...) _DBG(#__VA_ARGS__, __VA_ARGS__)

// ********************** CODE ********************** //

int main() {
  multiset<int> odd1, even1, odd2, even2;
  int n;
  cin >> n;
  string s1, s2;
  cin >> s1 >> s2;

  for (int i = 0; i < n; i++) {
    if (i & 1) {
      odd1.insert(s1[i]);
      odd2.insert(s2[i]);
    } else {
      even1.insert(s1[i]);
      even2.insert(s2[i]);
    }
  }
  if (odd1 == odd2 && even1 == even2) {
    cout << "TAK\n";
  } else {
    cout << "NIE\n";
  }
  return 0;
}