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#include<bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
using pll = pair<long long, long long>;
using pil = pair<int, long long>;
using pli = pair<long long, int>;
using ll = long long;
#define X first
#define Y second
#define pb push_back
#define mp make_pair
int n, tnp[150007], tp[150007];
char c;
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n;
    for(int i = 1; i<=n; i++){
        cin >> c;
        if(i%2) tnp[c-'a']++;
        else tp[c-'a']++;
    }
    for(int i = 1; i<=n; i++){
        cin >> c;
        if(i%2) tnp[c-'a']--;
        else tp[c-'a']--;
    }
    for(int i = 'a'-'a'; i<='z'-'a'; i++){
        if(tnp[i] || tp[i]){
            cout << "NIE"; return 0;
        }
    }
    cout << "TAK";
    return 0;
}