#include<bits/stdc++.h>
using namespace std;
string jeden,dwa,s1,s2,z1,z2;
int n;

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

cin >> n;
cin >> jeden >> dwa;
for(int i=0;i<n; i+=2){
	s1+=jeden[i];
	z1+=dwa[i];
}
for(int i=1;i<n;i+=2){
	s2+=jeden[i];
	z2+=dwa[i];
}

sort(s1.begin(),s1.end());
sort(s2.begin(),s2.end());
sort(z1.begin(),z1.end());
sort(z2.begin(),z2.end());
//cout << s1<<" "<< s2<<" "<< z1<<" "<<z2;
if(s1==z1 and s2==z2){
	cout << "TAK";
}
else cout << "NIE";


   return 0; 

}