#include <bits/stdc++.h>

using namespace std;

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

    string parz_wzor, nparz_wzor, parz_cel, nparz_cel;
    int N;
    string a, b;
    cin >> N >> a >> b;
    if (N <= 2)
    {
        if (a == b)cout << "TAK\n";
        else cout << "NIE\n";
    }
    else
    {
        for(int i = 0; i < N; ++i)
        {
            if (i & 1)
            {
                parz_wzor += a[i];
                parz_cel  += b[i];
            }
            else
            {
                nparz_cel  += a[i];
                nparz_wzor += b[i];
            }
        }

        sort(begin(parz_wzor), end(parz_wzor));
        sort(begin(parz_cel), end(parz_cel));

        sort(begin(nparz_cel), end(nparz_cel));
        sort(begin(nparz_wzor), end(nparz_wzor));

        if (parz_wzor == parz_cel && nparz_cel == nparz_wzor)
        {
            cout << "TAK\n";
        }
        else cout << "NIE\n";
    
    }
    return 0;
}