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#include <cstdio>

#define MAX_SIZE 3000000

char palindrom[MAX_SIZE];
int counter = 0;

// A function to check if a string str is palindrome 
void isPalindrome()
{
	// Start from leftmost and rightmost corners of str 
	int l = 0;
	int h = counter - 1;

	// Keep comparing characters while they are same 
	while (h > l)
	{
		if (palindrom[l++] != palindrom[h--])
		{
			printf("NIE");
			return;
		}
	}
	printf("TAK");
}


int main() {
	char ch;
	int placeHolder;
	scanf("%d", &placeHolder);
	getchar();
	while ((ch = getchar()) != '\n') {
		palindrom[counter] =  ch;
		++counter;
	}

	isPalindrome();
	/*
	To nie działa bo myslalem ze da sie zapisac litery a-z (26 znaków) na 4 bitach lecz jednak potrzebne jest 5 bitów
	int ch;
	int maska = 0b1111;
	while ((ch = getchar()) != '\n') {
		ch = ch - 'a';
		//ch = ch & maska;
		if (counter % 2 == 1)
			ch <<= 3;

		palindrom[counter / 2] = palindrom[counter / 2] | ch;
		++counter;
	}

	for (int i = 0; i < counter; i++)
	{
		ch = palindrom[i / 2];
		if (i % 2 == 1)
		{
			ch = ch >> 4;
		}
		else {
			ch = ch & maska;
		}

		ch += 'a';

		printf("%c", ch);
	}
	*/
	/*
	int l = 0;
	int h = counter - 1;

	// Keep comparing characters while they are same
	while (h > l)
	{
		if (palindrom[l++] != palindrom[h--])
		{
			printf("%s is Not Palindrome", palindrom);
			return 0;
		}
	}
	printf("%s is palindrome", palindrom);
	*/
	return 0;
}