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#include<bits/stdc++.h>
using namespace std;
string word;
int l, r, n;
bool IsPalindrome(string in)
{
    l = 0, r = in.size() - 1;
    while (l < r)
    {
        if (in[l] != in[r]) return false;
        l++, r--;
    }
    return true;
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> word;
    if (IsPalindrome(word)) cout << "TAK";
    else cout << "NIE";
    return 0;
}