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//Marcin Wróbel
#include <bits/stdc++.h>
using namespace std;
#define FOR(i,x,y) for(int i = (int)(x); i < (int)(y); ++i)
#define FORE(i,x,y) for(int i = (int)(x); i <= (int)(y); ++i)
#define FORD(i,x,y) for(int i = (int)(x); i >= (int)(y); --i)
#define PB push_back
typedef long long ll;
typedef pair<int,int> pii;
const int MAXN=27;

int n;
int a[MAXN];
int b[MAXN];
int main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);
    cin>>n;
    FOR(i,0,n) {
        char c;
        cin>>c;
        if(i%2) ++a[c-'a'];
        else    ++b[c-'a'];
    }
    FOR(i,0,n) {
        char c;
        cin>>c;
        if(i%2) --a[c-'a'];
        else    --b[c-'a'];
    }
    FOR(i,0,26) {
        if (a[i] != 0 || b[i] != 0) {
            cout<<"NIE\n";
            return 0;
        }
    }
    cout<<"TAK\n";
    return 0;
}