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

const LL H = 7919;
LL HH = 1;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n;
	cin>>n;
	LL h1=0, h2=0;
	char s;
	while(cin>>s){
		HH*=H;
		h1 += s*HH;
		h2 *= H;
		h2 += s*H;
	}
	if(h1 == h2)
		cout<<"TAK\n";
	else
		cout<<"NIE\n";
	return 0;
}