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#include <iostream>

using namespace std;

int main()
{
    std::ios::sync_with_stdio(false);
    cin.tie(0);

    int n;
    cin >>n;
    int tab[2][26];
    for (int j=0;j<2;j++)
        for (int i=0; i<26;i++)
            tab[j][i]=0;

    int m=n;
    while(m-->0){
        char c;
        cin>>c;
        tab[m%2][c-'a']++;
    }
    m=n;
    while(m-->0){
        char c;
        cin>>c;
        tab[m%2][c-'a']--;
    }
    bool equal = true;
    for (int j=0;j<2;j++)
        for (int i=0; i<26;i++)
            equal = equal && tab[j][i]==0;
    cout<<(equal?"TAK":"NIE")<<endl;


   /* int nn = 300000;
            cout<<nn<<endl;
    for (int i=0; i<nn;i++)    {
        if (i==3)
            cout<<'b';
        else
            cout<<'a';

    }
    cout<<endl;
    for (int i=0; i<nn;i++)    {
        if (i==8)
            cout<<'b';
        else
            cout<<'a';

    }
    cout<<endl;*/


    return 0;
}