#include<bits/stdc++.h>
#define mp make_pair
#define pb push_back
using namespace std;
int n, bitus[2][30], bajtus[2][30];
char c;
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	cin>>n;
	for(int i=1; i<=n; i++){
		cin>>c;
		bitus[i%2][c-'a']++;
	}
	for(int i=1; i<=n; i++){
		cin>>c;
		bajtus[i%2][c-'a']++;
	}
	for(int i=0; i<26; i++){
		if(bitus[0][i]!=bajtus[0][i] || bitus[1][i]!=bajtus[1][i]){
			cout<<"NIE\n";
			return 0;
		}
	}
	cout<<"TAK\n";
	return 0;
}