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#include <cstdio>
#include <cstring>
using namespace std;

#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define FORD(i,a,b) for(int i=(b)-1;i>=(a);--i)
#define REP(i,n) FOR(i,0,n)
#define REPD(i,n) FORD(i,0,n)

char a[3000001];

int main() {
	int n;
	scanf("%d\n", &n);
	if (n) {
		int n2 = n >> 1;
		fread(a, n2, 1, stdin);
		if (n & 1) getchar();
		REPD(i,n2)
			if (getchar() != a[i]) {
				printf("NIE\n");
				return 0;
			}
	} else {
		gets(a);
		n = strlen(a);
		int n2 = n >> 1;
		REP(i,n)
			if (a[i] != a[n - i - 1]) {
				printf("NIE\n");
				return 0;
			}
	}
	printf("TAK\n");
}