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

int n;
char s1[300000 + 9];
char s2[300000 + 9];
int cnt1[26];
int cnt2[26];
int cnt3[26];
int cnt4[26];

bool check() {
	for (int i=0; i<26; ++i) if (cnt1[i] != cnt2[i]) return false;
	for (int i=0; i<26; ++i) if (cnt3[i] != cnt4[i]) return false;
	return true;
}

int main() {
	for (int i=0; i<26; ++i) cnt1[i] = cnt2[i] = 0;
	scanf("%d%s%s", &n, s1, s2);
	for (int i=0; i<n; i+=2) {
		++cnt1[s1[i] - 'a'];
		++cnt2[s2[i] - 'a'];
	}
	for (int i=1; i<n; i+=2) {
		++cnt3[s1[i] - 'a'];
		++cnt4[s2[i] - 'a'];
	}

	bool res = check();
	printf(res ? "TAK\n" : "NIE\n");

	return 0;
}