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#include <bits/stdc++.h>
 
#define f first
#define s second
#define pb push_back
#define mp make_pair
 
#define ins insert
#define er erase
 
#define siz size()
#define siz1 size()-1
 
#define ll long long
#define ull unsigned long long
#define all(v) v.begin(), v.end()
 
#define FORN(i, n) for(int i=1; i<=(int)n; i++)
#define FOR(i,p,k) for(int i=(int)p; i<=(int)k; i++)
#define FORD(i, k, p) for(int i=(int)k; i>=(int)p; i--)
#define FOR0(i, n) for(int i=(int)n; i>=0; i--)
#define FOR1(i, n) for(int i=(int)n; i>=1; i--)
#define FORV(i, vec) for(auto i = vec.begin(); i != vec.end(); ++i)

#define TURBO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define END cerr<<"TIME: "<<1.0 * clock() / CLOCKS_PER_SEC<<endl;
#define VI vector <int>
#define VP vector <pair<int, int>>
#define VIP vector <pair<int, pair<int, int>>>
#define VPP vector <pair<pair<int, int>, pair<int, int>>>
 
#define MII map<int, int>
#define MLL map<ll, ll>
 
#define PII pair<int, int>
#define PLL pair<ll, ll>
 
#define MAX 1e9 + 10
#define MIN -1e9 + 10

using namespace std;

int counter_tab_pl1[35][2]; ///zliczenia dla pierwszego ciagu, par/nparint 
int counter_tab_pl2[35][2]; ///zliczenia dla pierwszego ciagu, par/npar

int main()
{
	TURBO;
	int n;	
	cin>>n;

	char c;
	for (int i=1; i<=n; i++)
	{
		cin>>c;
		counter_tab_pl1[int(c) - int('a')][i%2]++;
	}

	for (int i=1; i<=n; i++)
	{
		cin>>c;
		counter_tab_pl2[int(c) - int('a')][i%2]++;
	}

	for (int i=0; i<=30; i++)
		for (int j=0; j<=1; j++)
			if (counter_tab_pl1[i][j] != counter_tab_pl2[i][j])
			{
				cout<<"NIE";
				return 0;
			}

	cout<<"TAK";
	
	return 0;
}