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#include <iostream>

using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    string a, b;
    cin >> a >> b;
    const int ALPHA = 26;
    int countsAEven[ALPHA];
    int countsAOdd[ALPHA];
    int countsBEven[ALPHA];
    int countsBOdd[ALPHA];
    fill(begin(countsAEven), end(countsAEven), 0);
    fill(begin(countsAOdd), end(countsAOdd), 0);
    fill(begin(countsBEven), end(countsBEven), 0);
    fill(begin(countsBOdd), end(countsBOdd), 0);
    for (int i = 0; i < n; i++) {
        if (i % 2 == 0) {
            countsAEven[a[i]-'a']++;
            countsBEven[b[i]-'a']++;
        } else {
            countsAOdd[a[i]-'a']++;
            countsBOdd[b[i]-'a']++;
        }
    }
//    for (int i = 0; i < ALPHA; i++) {
//        cout << "even: " << countsAEven[i] << " " << countsBEven[i] << '\n';
//        cout << "odd: " << countsAOdd[i] << " " << countsBOdd[i] << '\n';
//    }
    for (int i = 0; i < ALPHA; i++) {
        if ((countsAEven[i] != countsBEven[i]) ||
                (countsAOdd[i] != countsBOdd[i])) {
            cout << "NIE" << '\n';
            return 0;
        }
    }
    cout << "TAK" << '\n';
    return 0;
}