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#include <iostream>
#include <string>
using namespace std;
int main() {
    string s;
    int n, i, nm;
    cin >> n;
    cin >> s;
    n = s.size()/2;
    nm = s.size();
    nm--;
    n++;
    for(i = 0; i < n; i++) {
        if(s[i] != s[nm - i]) {
            cout << "NIE";
            return 0;
        }
    }
    cout << "TAK";
    return 0;
}