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#include <bits/stdc++.h>

#define DEBUG(x) cout << '>' << #x << ':' << x << endl;
#define fi first
#define se second
#define ll long long
#define ld long double
#define pb push_back
#define vi vector<int>
#define MAXN 100001

using namespace std;

const int letters = 'z' - 'a' + 1;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n;
    cin >> n;

    vi C[2];
    C[0] = vi(letters, 0);
    C[1] = vi(letters, 0);

    char c;
    for (int i = 0; i < n; i++) {
        cin >> c;
        C[i % 2][c - 'a']++;
    }

    for (int i = 0; i < n; i++) {
        cin >> c;
        C[i % 2][c - 'a']--;
    }

    if (any_of(C[0].begin(), C[0].end(), [](int i) { return i != 0; }) or any_of(C[1].begin(), C[1].end(), [](int i) { return i != 0; })) {
        cout << "NIE" << endl;
    } else {
        cout << "TAK" << endl;
    }

    return 0;
}