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#include <iostream> 

using namespace std;

int main() {
    int n;
    cin >> n;
    string s1, s2;
    cin >> s1;
    cin >> s2;
    int array[26], tab[26];
    for ( int i = 0; i < 26; i++) {
        array[i] = 0;
        tab[i] = 0;
    }
    for ( int i = 0; i < n; i+=2) {
        array[ s1[i] - 'a' ]++;
        tab[ s2[i] - 'a' ]++;
    }
    bool print = true;
    for ( int i = 0; i < 26; i++) 
        if ( array[i] != tab[i] ) {
            print = false;
            break;
        }
    if ( !print ) {
        cout << "NIE" << endl;
        return 0;
    }
    print = true;
    for ( int i = 0; i < 26; i++) {
        array[i] = 0;
        tab[i] = 0;
    }
    for ( int i = 1; i < n; i+=2) {
        array[ s1[i] - 'a' ]++;
        tab[ s2[i] - 'a' ]++;
    }
    for ( int i = 0; i < 26; i++) 
        if ( array[i] != tab[i] ) {
            print = false;
            break;
        }
    if ( !print ) {
        cout << "NIE" << endl;
        return 0;
    }
    cout << "TAK" << endl;
    return 0;
}