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#include <bits/stdc++.h>

using namespace std;

int main(){
	ios_base::sync_with_stdio(0);
	int n; cin>>n;
	map<char, int> mp[2];
	for(int i = 0; i < n; i++){
		char c; cin>>c;
		mp[i%2][c]++;	
	}	
	for(int i = 0; i < n; i++){
		char c; cin>>c;
		mp[i%2][c]--;	
	}	
	bool pos = true;
	for(auto it:mp[0]) if(it.second!=0) pos = false;
	for(auto it:mp[1]) if(it.second!=0) pos = false;
	if(pos) cout<<"TAK";
	else cout<<"NIE";
	return 0;
}