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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

#define ll long long
#define lll __int128
#define ull unsigned long long
#define fi first
#define se second
#define db double
#define ld long double
#define lld __float128

/// order_of_key, find_by_order

template<class T, class COMP>
using custom_set = tree<T, null_type, COMP, rb_tree_tag, tree_order_statistics_node_update>;

template<class T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

template<class T>
using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;

template<class T, class U>
using ordered_map = tree<T, U, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rnd_64(chrono::steady_clock::now().time_since_epoch().count());

int main()
{
    int n; cin >> n;
    string a, b; cin >> a >> b;
    string a1 = "", a2 = "", b1 = "", b2 = "";
    for(int i = 0; i < n; i++)
    {
        if(i & 1)
            a2 += a[i];
        else
            a1 += a[i];
        if(i & 1)
            b2 += b[i];
        else
            b1 += b[i];
    }
    sort(a1.begin(), a1.end());
    sort(a2.begin(), a2.end());
    sort(b1.begin(), b1.end());
    sort(b2.begin(), b2.end());
    if(a1 == b1 && a2 == b2)
    {
        cout << "TAK";
    }
    else
    {
        cout << "NIE";
    }
}






































/// shche ne vmerla Ykraina