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#include <bits/stdc++.h>
using namespace std;


using LL = long long int;
using uLL = unsigned long long int;
using uint = unsigned int;
using ld = long double;


int main(){
	cin.tie(NULL);
	ios_base::sync_with_stdio(0);
	int n;
	cin >> n;
	string a, b;
	cin >> a >> b;
	string an, bn;
	an.resize((n+1)/2);
	bn.resize((n+1)/2);
	for(int i = 0; i < n; i += 2){
		an[i/2] = a[i];
		bn[i/2] = b[i];
	}
	sort(a.begin(), a.end());
	sort(b.begin(), b.end());
	sort(an.begin(), an.end());
	sort(bn.begin(), bn.end());
	if(a == b && an == bn){
		cout << "TAK\n";
	}
	else{
		cout << "NIE\n";
	}
	
	
	return 0;
}