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#include<iostream>
using namespace std;

int main() {
    int n;
    string s;
    cin >> n;
    cin >> s;
    for(int i = 0; i < s.size() / 2; i++ ) {
        if(s[i] != s[s.size() - i - 1] ) {
            cout << "NIE";
            return 0;
        }
    }
    cout << "TAK";
}