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#include <bits/stdc++.h>
using namespace std;

typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef pair<ll, int> PILL;
typedef pair<ll, ll> PLL;

const int MAX_N = 3e5+5;
const int M = 3e4+5;
const ll INF = (ll)(1e18);
const int inf = 2e9;
const ll MOD = 1000000007LL;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
		
	int n;
	string s, t;
	cin >> n >> s >> t;
	vector<int> oddS(26, 0), evenS(26, 0), oddT(26, 0), evenT(26, 0);
	
	for (int i = 0; i < n; i++) {
		if (i%2 == 0) {
			evenS[s[i]-'a']++;
			evenT[t[i]-'a']++;
 		} else {
			oddS[s[i]-'a']++;
			oddT[t[i]-'a']++;
		}
	}
	
	for (int i = 0; i < 26; i++) {
		if (oddS[i] != oddT[i] || evenS[i] != evenT[i]) {
			cout << "NIE\n";
			return 0;
		}
	}
	
	cout << "TAK\n";
	
    return 0;
}