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#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n;
    string s[2];
    cin >> n;
    cin >> s[0] >> s[1];

    vector<char> v[2][2];

    for (int i = 0; i <= 1; i++)
      for (int j = 0; j < n; j++)
        v[i][j % 2].push_back(s[i][j]);
        
    for (int i = 0; i <= 1; i++)
      for (int p = 0; p <= 1; p++)
        sort(v[i][p].begin(),v[i][p].end());
        
    cout << ((v[0][0] == v[1][0] && v[0][1] == v[1][1]) ? "TAK" : "NIE") << "\n";    

    return 0;
}