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#include <bits/stdc++.h>

using namespace std;

#define JOIN_(X, Y) X##Y
#define JOIN(X, Y) JOIN_(X, Y)
#define TMP JOIN(tmp, __LINE__)
#define PB push_back
#define SZ(x) int((x).size())
#define REP(i, n) for (int i = 0, TMP = (n); i < TMP; ++i)
#define FOR(i, a, b) for (int i = (a), TMP = (b); i <= TMP; ++i)
#define FORD(i, a, b) for (int i = (a), TMP = (b); i >= TMP; --i)

#ifdef DEBUG
#define DEB(x) (cerr << x)
#else
#define DEB(x)
#endif

typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pii;

const int INF = 1e9 + 9;
string s[2];
int counter[2][2][26] = {};

void inline one() {
    int n;
    cin >> n >> s[0] >> s[1];
    REP(i, 2) {
        REP(j, n) {
            int c = s[i][j] - 'a';
            ++counter[i][j % 2][c];
        }
    }
    bool ok = true;
    REP(j, 2) {
        REP(k, 26) {
            if (counter[0][j][k] != counter[1][j][k]) {
                ok = false;
                break;
            }
        }
    }
    cout << (ok ? "TAK" : "NIE") << "\n";
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    // int z; cin >> z; while(z--)
    one();
}