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#include <iostream>
#include <vector>

int main()
{
    std::vector<int> even(26, 0);
    std::vector<int> odd(26, 0);
    int n = 300000;
    std::cin >> n;
    getchar();

    for (int i = 0; i < n; i++) {
        char toy = getchar();
        if (i % 2 == 0)
            even[toy - 97]++;
        else
            odd[toy - 97]++;
    }
    getchar();

    for (int i = 0; i < n; i++) {
        char toy = getchar();
        if (i % 2 == 0)
            even[toy - 97]--;
        else
            odd[toy - 97]--;
    }
    for (int i = 0; i < 26; i++) {
        if (even[i] != 0 || odd[i] != 0) {
            std::cout << "NIE";
            return 0;
        }
    }
    std::cout << "TAK";
    return 0;
}