#include <iostream>

using namespace std;
int n, t1a[26], t1b[26], t0a[26], t0b[26], ok;
string a, b;
int main()
{
    std::ios_base::sync_with_stdio(0);
    cin>>n>>a>>b;
    for(int i=0;i<n;i++)
    {
        if(i%2==0)
        {
            t0a[a[i]-97]++;
            t0b[b[i]-97]++;
        }
        else
        {
            t1a[a[i]-97]++;
            t1b[b[i]-97]++;
        }
    }
    for(int i=0;i<26;i++)
    {
        if(t0a[i]!=t0b[i]) {ok=1; cout<<"NIE"; break;}
        if(t1a[i]!=t1b[i]) {ok=1; cout<<"NIE"; break;}
    }
    if(ok==0) cout<<"TAK";
    return 0;
}