//09.12.20 19:22 start
#include <iostream>
using namespace std;

const int s_tab = 28;

int main()
{
int tab_a_parz[s_tab];
int tab_a_nieparz[s_tab];
int tab_b_parz[s_tab];
int tab_b_nieparz[s_tab];
string a;
string b;
int i;
int n;
cin>>n;	
cin>>a;
cin>>b;
for(i=0;i<s_tab;++i){
	tab_a_parz[i] = tab_a_nieparz[i] = tab_b_parz[i] = tab_b_nieparz[i] = 0;
	}//for

for(i=0;i<n;++i){
	if(i%2){
		++tab_a_parz[ a[i] - 'a'];
		++tab_b_parz[ b[i] - 'a'];
		}//if
	else{
		++tab_a_nieparz[ a[i] - 'a'];
		++tab_b_nieparz[ b[i] - 'a'];
		}//else
	}
	
for(i=0;i<s_tab;++i){
	if(tab_a_parz[i] != tab_b_parz[i] || tab_a_nieparz[i] != tab_b_nieparz[i]){
		cout<<"NIE";
		return 0;
		}//if
	}//for

cout<<"TAK";	
return 0;	
}