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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#ifdef LOCAL
#define debug(...) __VA_ARGS__
#else
#define debug(...) {}
#endif
int cnt_a[27][2];
int cnt_b[27][2];
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie();
    cout.tie();
    int i;
    int n;
    cin>>n;
    string a,b;
    cin>>a>>b;
    for (i = 0; i < n; i++) cnt_a[int(a[i])-int('a')][i%2]++;
    for (i = 0; i < n ; i++) cnt_b[int(b[i])-int('a')][i%2]++;
    for (i = 0; i < 27; i++){
        for (int j = 0; j < 2; j++){
            if (cnt_a[i][j] != cnt_b[i][j]){
                cout<<"NIE\n";
                return 0;
            }
        }
    }
    cout<<"TAK\n";
    return 0;
}