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#include<bits/stdc++.h>
using namespace std;

int main() {
    int n;
    cin >> n;
    vector<int> countEven1(26), countOdd1(26);
    vector<int> countEven2(26), countOdd2(26);
    
    string s1, s2;
    cin >> s1 >> s2;
    
    for(int i = 0; i < n; i += 2) {
        countEven1[s1[i] - 'a']++;
        countEven2[s2[i] - 'a']++;
    }
    for(int i = 1; i < n; i += 2) {
        countOdd1[s1[i] - 'a']++;
        countOdd2[s2[i] - 'a']++;
    }
    
    for(int i = 0; i < 26; i++) {
        if(countEven1[i] != countEven2[i] || countOdd1[i] != countOdd2[i]) {
            cout << "NIE" << endl;
            return 0;
        }
    }
    cout << "TAK" << endl;
}