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#include <iostream>

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int n;
    std::cin >> n;
    int toys[2][26] = {0};
    for (int i = 0; i < n; ++i) {
        char toy;
        std::cin >> toy;
        ++toys[i & 1][toy - 'a'];
    }
    for (int i = 0; i < n; ++i) {
        char toy;
        std::cin >> toy;
        --toys[i & 1][toy - 'a'];
    }
    for (int i = 0; i < 26; ++i) {
        if (toys[0][i] or toys[1][i]) {
            std::cout << "NIE\n";
            return 0;
        }
    }

    std::cout << "TAK\n";
    return 0;
}