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#include <bits/stdc++.h>

using namespace std;

multiset<char> s1A, s1B, s2A, s2B;

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

    int n;
    cin >> n;

    string s1, s2;
    cin >> s1;
    cin >> s2;

    
    for(int i = 0; i < n; i++) {
        if(i%2) {
            s1A.insert(s1[i]);
            s2A.insert(s2[i]);
        } else {
            s1B.insert(s1[i]);
            s2B.insert(s2[i]);
        }
    }

    cout << (s1A == s2A && s1B == s2B ? "TAK" : "NIE") << "\n";

    return 0;
}