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// Example program
#include <iostream>
#include <string>
using namespace std;
int main()
{
  int n,len,i=0;
  string word;
  cin >> n;
  cin >> word;
  
    if(n>word.length()){cout << "NIE"; return 0;}
    if(n==0){
        len=word.length()-1;
    }else{
         len=n-1;
    }
    while(i<=len){
        if(word[i]!=word[len]){cout << "NIE"; return 0;}
        i++;
        len--;
        }
    cout << "TAK"; return 0;
}