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#include <iostream>
#include <string>
#include <vector>
using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    string s1,s2;
    vector<int> a1,a2,a3,a4;
    for(int i = 0;i < 26;i++)
    {
        a1.push_back(0);
        a2.push_back(0);
        a3.push_back(0);
        a4.push_back(0);
    }
    cin >> s1 >> s2;
    for(int i = 0;i < n;i++)
    {
        if(i%2==0)
        {
            a1[(int(s1[i]) - 97)]++;
            a2[(int(s2[i]) - 97)]++;
        }
        else
        {
            a3[(int(s1[i]) - 97)]++;
            a4[(int(s2[i]) - 97)]++;
        }
    }
    for(int i = 0;i < 26;i++)
    {
        if(a1[i] != a2[i] || a3[i] != a4[i])
        {
            cout << "NIE" << "\n";
            return 0;
        }
    }
    cout << "TAK" << "\n";
    return 0;
}