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

#define endl '\n'
#define L long long
#define MP make_pair
#define REP(i, n) for(int i = 0; i < n; ++i)
#define REPR(i, n) for(int i = n - 1; i >= 0; --i)
#define FOR(i, a, b) for(int i = a; i < b; ++i)
#define FORR(i, a, b) for(int i = b - 1; i >= a; --i)
#define EB emplace_back
#define ST first
#define ND second
#define S size()
#define RS resize

using VI = vector<int>;
using VVI = vector<VI>;
using PI = pair<int, int>;
using VPI = vector<PI>;
using VVPI = vector<VPI>;
using VL = vector<L>;
using VVL = vector<VL>;
using VB = vector<bool>;
using VC = vector<char>;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int n;
    cin >> n;
    string s1, s2;
    cin >> s1 >> s2;
    VI z1p(26), z2p(26), z1np(26), z2np(26);
    REP(i, n)
    {   
        if (i % 2)
        {
            z1p[s1[i] - 'a']++;
            z2p[s2[i] - 'a']++;
        }
        else
        {
            z1np[s1[i] - 'a']++;
            z2np[s2[i] - 'a']++;
        }
    }
    
    if (z1p == z2p && z1np == z2np)
        cout << "TAK";
    else
        cout << "NIE";
}