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#include <bits/stdc++.h>
using namespace std;
#define bit(n, i) ((n>>i) & 1)
#define fi first
#define se second
#define pb push_back
#define cat(x) cerr << #x " = " << x << "\n"
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using ld = long double;

int cnt[26];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n; cin >> n;
    string s1, s2; cin >> s1 >> s2;
    for(int i = 0; i < n; i += 2) {
        cnt[s1[i]-'a']++;
        cnt[s2[i]-'a']--;
    }
    bool ok = true;
    for(int i = 0; i < 26; ++i) {
        if(cnt[i] != 0) {
            ok = false;
            break;
        }
    }
    for(int i = 1; i < n; i += 2) {
        cnt[s1[i]-'a']++;
        cnt[s2[i]-'a']--;
    }
    for(int i = 0; i < 26; ++i) {
        if(cnt[i] != 0) {
            ok = false;
            break;
        }
    }
    cout << (ok ? "TAK":"NIE");

    return 0;
}