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#include <iostream>
#include <vector>
using namespace std;
const int l='z'-'a'+1;
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    int n;
    cin>>n;
    vector<int>ilea;ilea.resize(l*2,0);
    vector<int>ileb;ileb.resize(l*2,0);
    char c;
    for(int i=0;i<n;i++){
        cin>>c;
        ilea[ (c-'a') *((i%2)?1:2)   ]++;
    }
    for(int i=0;i<n;i++){
        cin>>c;
        ileb[ (c-'a') *((i%2)?1:2)   ]++;
    }
    if(ilea==ileb)cout<<"TAK\n";
    else cout<<"NIE\n";
}