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#include <iostream>
using namespace std;
constexpr int S = 'z' - 'a' + 1;
int_fast32_t n;
char c;
int_fast32_t tab1e[S], tab2e[S], tab1o[S], tab2o[S];

int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr);
    cin >> n;

    for (int i = 0; i < n; i++) {
        cin >> c;
        if (i&1)
            tab1o[c - 'a']++;
        else
            tab1e[c - 'a']++;
    }

    for (int i = 0; i < n; i++) {
        cin >> c;
        if (i&1)
            tab2o[c - 'a']++;
        else
            tab2e[c - 'a']++;
    }

    for (int i = 0; i < S; i++) {
        if (tab1e[i] != tab2e[i] || tab1o[i] != tab2o[i]) {
            cout << "NIE\n";
            return 0;
        }
    }

    cout << "TAK\n";
}