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#include <cstdio>
#include <vector>

int main () {
	int n;
	scanf("%d\n", &n);
	std::vector<int> count_odd, count_even;
	for (int i = 0; i < 26; ++i) {
		count_odd.push_back(0);
		count_even.push_back(0);
	}
	for (int i = 0; i < n; ++i) {
		char c;
		scanf("%c", &c);
		if (i % 2) {
			++count_odd[c - 'a'];
		}
		else {
			++count_even[c - 'a'];
		}
	}
	scanf("\n");
	for (int i = 0; i < n; ++i) {
		char c;
		scanf("%c", &c);
		if (i % 2) {
			--count_odd[c - 'a'];
		}
		else {
			--count_even[c - 'a'];
		}
	}
	for (int i = 0; i < 26; ++i) {
		if (count_odd[i] || count_even[i]) {
			printf("NIE\n");
			return 0;
		}
	}
	printf("TAK\n");
	return 0;
}