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#include <iostream>
#include <map>
#include <vector>

using namespace std;

int main()
{
  char c;
  int n;
  std::cin >> n;
  std::map<char, vector<int>> m1, m2;
  for(char a = 'a'; a <= 'z'; a++) {
    m1[a] = {0, 0};
    m2[a] = {0, 0};
  }
  for(int i = 0; i < n; i++) {
    cin >> c;
    m1[c][i%2]++;
  }
  for(int i = 0; i < n; i++) {
    cin >> c;
    m2[c][i%2]++;
  }
  if(m1 == m2)
    std::cout << "TAK\n";
  else
    std::cout << "NIE\n";
  return 0;
}