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#include <bits/stdc++.h>
using namespace std;
string z[2];
int n;
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin>>n;
	cin>>z[0]>>z[1];
	string pierw[2], drug[2];
	for(int i = 0; i < n; ++i) {
		pierw[i%2] += z[0][i];
		drug[i%2] += z[1][i];
	}
	sort(pierw[0].begin(), pierw[0].end());
	sort(pierw[1].begin(), pierw[1].end());
	sort(drug[0].begin(), drug[0].end());
	sort(drug[1].begin(), drug[1].end());
	//cout<<pierw[0]<<" "<<pierw[1]<<"\n";
	//cat cout<<drug[0]<<" "<<drug[1]<<"\n";
	if(pierw[0] == drug[0] && pierw[1] == drug[1]) {
		cout<<"TAK\n";
	}
	else {
		cout<<"NIE\n";
	}
	return 0;
}