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#include <iostream>
#include <cstring>

#define ALPH 26

int C[ALPH];

int main() {
    std::ios::sync_with_stdio(false);

    int n;
    std::string s1, s2;
    std::cin >> n >> s1 >> s2;

    for (int k = 0; k < 2; ++k) {
        for (int i = k; i < n; i += 2) {
            C[s1[i] - 'a']++;
            C[s2[i] - 'a']--;
        }

        for (int i = 0; i < ALPH; ++i) {
            if (C[i] != 0) {
                std::cout << "NIE";
                return 0;
            }
        }
    }

    std::cout << "TAK";

    return 0;
}