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#include <bits/stdc++.h>
using namespace std;

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

    int n;
    string s;
    int sum['z'-'a'][2] = {0};

    cin >> n;
    cin >> s;
    for (int i = 0; i < n; i++) {
        sum[s[i] - 'a'][i % 2]++;
    }
    cin >> s;
    for (int i = 0; i < n; i++) {
        sum[s[i] - 'a'][i % 2]--;
    }
    for (int i = 0; i < 'z' - 'a'; i++) {
        if (sum[i][0] != 0 || sum[i][1] != 0) {
            cout << "NIE";
            return 0;
        }
    }
    cout << "TAK";
    return 0;
}