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#include<iostream>
#include<set>
using namespace std;

int main()
{
  int n;
  cin>>n;
  multiset<pair<char,int> > IN,OUT;
  string x;
  cin>>x;
  for(int i=0 ; i<x.length() ; i++)
  {
   IN.insert({x[i],i%2});
  }
  cin>>x;
  for(int i=0 ; i<x.length() ; i++)
  {
   OUT.insert({x[i],i%2});
  }
  multiset<pair<char,int> >::iterator p=IN.begin();
  multiset<pair<char,int> >::iterator q=OUT.begin();
  while(p!=IN.end())
  {
      if(*p!=*q || (*p).second!=(*q).second) 
      {
        cout<<"NIE"<<endl;
        return 0;
      }
      p++;
      q++;
  }
   cout<<"TAK"<<endl;
    return 0;
}