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#include <iostream>
using namespace std;

const int N = 300009;
int n, s1[2][30], s2[2][30];
string a, b;

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

    //cout <<'a'-97<<endl; cout <<'z'-97<<endl;

    cin >>n >>a >>b;

    for(int i=0; i < n; i++) {
        s1[i%2][a[i]-97]++;
        s2[i%2][b[i]-97]++;
    }

    for(int j=0; j < 2; j++) {
        for(int i=0; i < 26; i++) {
            if( s1[j][i] != s2[j][i] ){
                cout <<"NIE\n";
                return 0;
            }
        }
    }

    cout <<"TAK\n";
    
    return 0;
}