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#include <bits/stdc++.h>


using namespace std;


int main() {
    ios_base::sync_with_stdio(false);

    int n;
    cin >> n;

    vector <map<char,int>> toys[2];

    for (int p = 0; p < 2; p++) {
        toys[p].resize(2);

        string s;
        cin >> s;

        for (int i = 0; i < n; i++) {
            toys[p][i % 2][s[i]]++;
        }
    }

    cout << (toys[0] == toys[1] ? "TAK\n" : "NIE\n");

    return 0;
}