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#include <bits/stdc++.h>
using namespace std;

pair<int,int> litery[30][2];
char c;
int n;

int main() {
    cin >> n;
    for(int i = 0; i < n; i++) {
        cin>>c;
        if(i%2)
            litery[c-'a'][0].first++;
        else
            litery[c-'a'][0].second++;
    }

    for(int i = 0; i < n; i++) {
        cin>>c;
        if(i%2)
            litery[c-'a'][1].first++;
        else
            litery[c-'a'][1].second++;
    }

    for(int i = 0; i < 30;i++) {
        if(litery[i][0] != litery[i][1]) {
            cout << "NIE";
            return 0;
        }
    }

    cout << "TAK";
    return 0;
    
}