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#include <iostream>
#include <vector>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    int n;
    cin >> n;
    vector< vector<int> > wyst1(2, vector<int>(26, 0));
    vector< vector<int> > wyst2(2, vector<int>(26, 0));
    string a, b;
    cin >> a >> b;
    for (int i = 0; i < n; ++i)
    {
        ++wyst1[i % 2][a[i] - 'a'];
        ++wyst2[i % 2][b[i] - 'a'];
    }
    bool odp = true;
    for (int i = 0; i < 2; ++i)
        for (int j = 0; j < 26; ++j)
            if (wyst1[i][j] != wyst2[i][j])
                odp = false;
    if (odp)
        cout << "TAK";
    else
        cout << "NIE";
    return 0;
}