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#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#ifdef LOC
#include "debuglib.h"
#else
#define deb(...)
#define DBP(...)
#endif
using namespace std;
using   ll         = long long;
using   Vi         = vector<int>;
using   Pii        = pair<int, int>;
#define pb           push_back
#define mp           make_pair
#define x            first
#define y            second
#define rep(i, b, e) for (int i = (b); i < (e); i++)
#define each(a, x)   for (auto& a : (x))
#define all(x)       (x).begin(), (x).end()
#define sz(x)        int((x).size())

array<array<int, 26>, 2> get(const string& s) {
	array<array<int, 26>, 2> cnt = {};
	rep(i, 0, sz(s)) cnt[i%2][s[i]-'a']++;
	return cnt;
}

int main() {
	cin.sync_with_stdio(0); cin.tie(0);
	cout << fixed << setprecision(10);
	int n;
	string s, t;
	cin >> n >> s >> t;
	cout << (get(s) == get(t) ? "TAK\n" : "NIE\n");
	return 0;
}