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#include <bits/stdc++.h>

using namespace std;

using LL = long long;

const int MOD = 1e9 + 7;

LL h1 = 0, h2 = 0;
LL pot = 97;
LL pot2 = 1;

int main() {
	int n;
	scanf("%d", &n);
	getchar();

	while (true) {
		char c = getchar();
		if (!isalpha(c))
			break;
		h1 = ((h1 * pot) % MOD + (LL)c) % MOD;

		h2 = (h2 + ((LL)c * pot2) % MOD) % MOD;

		pot2 *= pot;
		pot2 %= MOD;

	}

	if (h1 == h2)
		printf("TAK\n");
	else
		printf("NIE\n");
}