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#include <bits/stdc++.h>

using namespace std;

int n;

string s;

int main()
{
    ios_base::sync_with_stdio(0);

    cin.tie(NULL);

    cout.tie(NULL);

    cin >> n;

    cin >> s;

    n=s.size();


    for(int i = 0; i < n; i++)
    {
        if(s[i] != s[n-1-i])
        {
            cout << "NIE";
            return 0;
        }
        if( i >= n-1-i)
            break;

    }
       cout << "TAK";

       return 0;
}