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#include <iostream>
#include <string>

#ifdef HOME_
    #define PRINT(x) cerr<<x
#else
    #define PRINT(x)
#endif

#define REP(x,n) for(int x=0;x<(n);++x)
#define FROMCHAR(x) (x-'a')

using namespace std;

const int SIZE = 'z'-'a'+1;

int parz[SIZE], nparz[SIZE];
int n;
string s;

bool solve() {
	cin>>n>>s;
	REP(x,n)
		if (x&1)
			++nparz[FROMCHAR(s[x])];
		else
			++parz[FROMCHAR(s[x])];
	cin>>s;
	REP(x,n)
		if (x&1)
			--nparz[FROMCHAR(s[x])];
		else
			--parz[FROMCHAR(s[x])];
	REP(x,SIZE)
		if (parz[x] || nparz[x])
			return false;
	return true;
}

int main() {
	ios_base::sync_with_stdio(0);
	if (solve())
		cout << "TAK";
	else
		cout << "NIE";
	return 0;
}