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#pragma GCC optimize ("Ofast")
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i=(a); i<(b); i++)
#define FORD(i, a, b) for (int i=(a); i>(b); i--)
#define PPC(x) __builtin_popcount(x)
#define MSB(x) (63 - __builtin_clzll(x))
#define SZ(x) ((int)(x).size())
#define HASK(S, x) (S.find(x) != S.end())
#define pb push_back
#define ALL(x) (x).begin(), (x).end()
#define ithBit(m, i) ((m) >> (i) & 1)
#define ft first
#define sd second
#define kw(a) ((a) * (a))
#ifdef DEBUG
#include "debug.h"
#else
#define dbg(...) 0
#endif
using namespace std; 
  
template <typename T1, typename T2> inline void remax(T1& a, T2 b) { a = max(a, (T1)b);	}

const int maxN = 1 << 19, A = 26;

char T[2][maxN];
int cnt[2][2][A];

void solve()
{
	int n;
	scanf ("%d", &n);
	
	FOR(s, 0, 2)
	{
		scanf ("%s", T[s]);
		FOR(i, 0, n)
			cnt[s][i&1][T[s][i] - 'a']++;
	}
	
	bool ans = true;
	
	FOR(c, 0, A) FOR(s, 0, 2)
		if (cnt[0][s][c] != cnt[1][s][c])
			ans = false;
	printf("%s\n", ans ? "TAK" : "NIE");
}
 
int main()
{
	int t = 1;
	//scanf ("%d", &t);
	FOR(tid, 1, t+1)
	{
		//printf("Case #%d: ", tid);
		solve();
	}
	return 0;
}