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#include <bits/stdc++.h>
#define ff first
#define ss second
#define ll long long
#define N 100010
#define deb 0

using namespace std;

int ile[2][150];

int main()
{
    if(!deb){
        ios_base::sync_with_stdio(0);
        cin.tie(0);
        cout.tie(0);
    }


    int n;
    char c;
    cin >> n;
    for(int i=0;i<n;i++)
    {
        cin >> c;
        ile[i%2][c]++;
    }
    for(int i=0;i<n;i++)
    {
        cin >> c;
        ile[i%2][c]--;
    }

    for(int i='a'; i<='z'; i++)
    {
        if(deb)printf("Znak %c -> %d  %d\n", i, ile[0][i], ile[1][i]);
        if(ile[0][i]!=0 || ile[1][i]!=0)
        {
            cout << "NIE" << endl;
            return 0;
        }
    }
    cout << "TAK" << endl;
    return 0;
}