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#include<iostream>
using namespace std;

int main(){
	int n;
	cin >> n;

	int counter = 0, sum = 0, exp = 1;
	char z;
	while(cin >> z){
		if(counter == n/2 && n%2 == 1){counter+=1; continue;}
		sum = (sum + (exp * (z - 96))) % 28;
		exp = (exp * 27) % 28;
		counter += 1;
	}
	if(sum == 0){
		cout << "TAK\n";
	} else {
		cout << "NIE\n";
	}
}