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#include <cstdio>
using namespace std;

#define MAX_N	300010

int N;
char Z[MAX_N];
int c[26][2];

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

	scanf("%s", Z);
	for (int i = 0; i < N; ++i) {
		c[Z[i] - 'a'][i % 2]++;
	}

	scanf("%s", Z);
	for (int i = 0; i < N; ++i) {
		c[Z[i] - 'a'][i % 2]--;
	}

	for (int i = 0; i < 26; ++i) {
		if (c[i][0] != 0 || c[i][1] != 0) {
			N = 0;
			break;
		}
	}

	printf("%s\n", N ? "TAK" : "NIE");
	return 0;
}