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#include <bits/stdc++.h>
using namespace std;
struct dane
{
	int p=0,n=0;
}*a,*b;
int main() 
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	int n;
	string a1,b1;
	cin>>n>>a1>>b1;
	
	a=new dane[123];
	b=new dane[123];
	
	for(int i=1;i<=n;i++)
	{
		if(i%2==0)
		{
			a[(int)a1[i-1]].p++;
			b[(int)b1[i-1]].p++;
		}
		
		else
		{
			 a[(int)a1[i-1]].n++;
			 b[(int)b1[i-1]].n++;
		}
	}
	
	bool ok=0;
	for(int i=97;i<=122;i++)
	{
		if(a[i].p==b[i].p && a[i].n==b[i].n)
		ok=0;
		
		else
		{
			ok=1;
			break;
		}
	}
	
	if(ok==0)
	cout<<"TAK";
	else cout<<"NIE";
	
	return 0;
}