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#include<iostream>
using namespace std;

int t[26][2][2];

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

    string s1, s2;
    cin >> s1 >> s2;

    int w1, w2;
    for (int i = 0; i < n; i++) {
        w1 = s1[i] - 'a';
        w2 = s2[i] - 'a';
        t[w1][i%2][0]++;
        t[w2][i%2][1]++;
    }

    bool tmp = true;
    for (int i = 0; i < 26; i++) {
        if (t[i][0][0] != t[i][0][1] || t[i][1][0] != t[i][1][1])
            tmp = false;
    }

    if (tmp)
        cout << "TAK\n";
    else
        cout << "NIE\n";
}