#include <bits/stdc++.h>

int main() {
    std::ios_base::sync_with_stdio(0); std::cin.tie(NULL);
    int n;
    std::cin >> n;
    std::string a, b;
    std::cin >> a >> b;

    std::string A, B, C, D;
    A = B = C = D = "";
    for (int i = 0; i < n; i += 2) {
        A += a[i];
        B += b[i];
    }
    for (int i = 1; i < n; i += 2) {
        C += a[i];
        D += b[i];
    }
    std::sort(A.begin(), A.end());
    std::sort(B.begin(), B.end());
    std::sort(C.begin(), C.end());
    std::sort(D.begin(), D.end());

    if (A == B && C == D) {
        std::cout << "TAK\n";
    } else {
        std::cout << "NIE\n";
    }
}