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#include<cstdio>
#include<iostream>
#include<algorithm>
#include<string>
#include<vector>
#include<map>

using namespace std;

typedef vector<int> VI;
typedef long long LL;

#define FOR(x, b, e) for(int x=b; x<=(e); ++x)
#define FORD(x, b, e) for(int x=b; x>=(e); --x)
#define REP(x, n) for(int x=0; x<(n); ++x)
#define VAR(v, n) __typeof(n) v = (n)
#define ALL(c) (c).begin(), (c).end()
#define SIZE(x) ((int)(x).size())
#define FOREACH(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i)
#define PB push_back
#define ST first
#define ND second

int main() {
	ios_base::sync_with_stdio(0);
    int n;
    cin >> n;
    string bitus, bajtus;
    cin >> bitus >> bajtus;
    map<char, int> even, odd;
    REP(i, bitus.size()) {
        if(i % 2 == 0) {
            odd[bitus[i]]++;
            odd[bajtus[i]]--;
        } else {
            even[bitus[i]]++;
            even[bajtus[i]]--;
        }
    }
    for(auto c:even) {
        if(c.second != 0) {
            cout << "NIE\n";
            return 0;
        }
    }
    for(auto c:odd) {
        if(c.second != 0) {
            cout << "NIE\n";
            return 0;
        }
    }
    cout << "TAK\n";
    return 0;
}