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#include <cstdio>
#include <vector>
#include <iostream>

using namespace std;

int main() {

  int n;
  vector<char> w;
  string s;
  scanf("%d", &n);
  char c;

  if (n != 0) {
    do {
      c = getc(stdin);
    } while (c == '\n' || isblank(c));
    ungetc(c, stdin); 
    for (int i = 0; i < n/2; ++i) {
      scanf("%c", &c);
      w.push_back(c);
    }
    if (n % 2)
      getchar();

    for (int i = n/2-1; i >= 0; --i) {
      scanf("%c", &c);
      if (w[i] != c) {
        printf("NIE\n");
        return 0;
      }
    }
    printf("TAK\n");
  } else {
    cin >> s;
    for (int i = 0; i < s.size()/2; ++i) {
      if (s[i] != s[s.size()-i-1]) {
        printf("NIE\n");
        return 0;
      }
    }
    printf("TAK\n");
  }

  return 0;
}