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#include <bits/stdc++.h>

using namespace std;

int main() {
    int n;
    cin >> n;

    vector<int> tab1[27];
    vector<int> tab2[27];

    for(int i = 0; i < n; i++) {
        char c;
        scanf(" %c", &c);
        tab1[c - 'a'].push_back(i);
    }

    for(int i = 0; i < n; i++) {
        char c;
        scanf(" %c", &c);
        tab2[c - 'a'].push_back(i);
    }

    for(int i = 0; i < 27; i++) {
        int bip = 0, bjp = 0;

        if(tab1[i].size() == tab2[i].size()) {
            for(int j: tab1[i])
                bip += j & 1;

            for(int j: tab2[i])
                bjp += j & 1;

            if(bip != bjp) {
                cout << "NIE\n";

                return 0;
            }
        } else {
            cout << "NIE\n";

            return 0;
        }
    }

    cout << "TAK\n";

    return 0;
}