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#include <iostream>
#include <cstdio>

using namespace std;

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