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#include<bits/stdc++.h>
using namespace std;
map<char,int> p;
map<char,int> np;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n; cin >> n;
    for(int i = 0; i < n; i++) {
        char z; cin >> z;
        if(i%2) {
            p[z]++;
        }
        else {
            np[z]++;
        }
    }
    for(int i = 0; i < n; i++) {
        char z; cin >> z;
        if(i%2) {
            p[z]--;
        }
        else {
            np[z]--;
        }
    }
    bool tak = true;
    for(auto x : p) {
        if(x.second != 0)
            tak = false;
    }
    for(auto x : np) {
        if(x.second != 0)
            tak = false;
    }
    if(tak)
        cout << "TAK";
    else 
        cout << "NIE";
}