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

string aa[2],bb[2];
int32_t main(){
    ios::sync_with_stdio(false);
    int n;
    cin >> n;
    string a,b;
    cin >> a >> b;
    for(int i=0;i<n;i++) {
        aa[i%2] += a[i];
        bb[i%2] += b[i];
    }
    for(int i=0;i<2;i++) {
        sort(aa[i].begin(),aa[i].end());
        sort(bb[i].begin(),bb[i].end());
    }
    if(aa[0] == bb[0] && aa[1] == bb[1])
        cout<<"TAK\n";
    else cout<<"NIE\n";
}