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#include <iostream>

int main() {
    int32_t n;
    std::cin >> n;

    std::string bitus, bajtus;
    std::cin >> bitus >> bajtus;

    int32_t bitusEven[26] = {};
    int32_t bitusOdd[26] = {};
    int32_t bajtusEven[26] = {};
    int32_t bajtusOdd[26] = {};

    for (int32_t i = 0; i < n; ++i) {
        (i % 2 == 0 ? bitusEven : bitusOdd)[bitus[i] - 'a'] += 1;
        (i % 2 == 0 ? bajtusEven : bajtusOdd)[bajtus[i] - 'a'] += 1;
    }

    bool ok = true;
    for (int32_t i = 0; i < 26; ++i) {
        ok &= bitusEven[i] == bajtusEven[i];
        ok &= bitusOdd[i] == bajtusOdd[i];
    }
    std::cout << (ok ? "TAK" : "NIE") << "\n";
}