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#include <bits/stdc++.h>

using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int n;
    cin >> n;
    
    vector<vector<int>> cnt(2, vector<int>(26, 0));
    for (int i = 0; i < 2; ++i) {
        for (int j = 0; j < n; ++j) {
            char c;
            cin >> c;
            cnt[j % 2][c - 'a'] += 1 - 2 * i;
        }
    }


    cout << (cnt[0] == vector<int>(26, 0) and cnt[1] == vector<int>(26, 0) ? "TAK" : "NIE") << "\n";
}