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#include <bits/stdc++.h> 
using namespace std;
int tabpp[300007];
int tabnpp[300007];
int tabpd[300007];
int tabnpd[300007];
 int main() 
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n;cin>>n;
string s,s1;cin>>s>>s1;
int k=0,g=0;
for(int i=0;i<n;i++)
{
	if(i%2==0){
	tabpp[s[i]-'a']++;
	tabpd[s1[i]-'a']++;
	}
	else
	{
		tabnpp[s[i]-'a']++;
		tabnpd[s1[i]-'a']++;
	}
}
bool flaga=false;
for(int i=0;i<26;i++)
{
	if(tabpp[i]!=tabpd[i] or tabnpp[i]!=tabnpd[i]) flaga=true;
}
if(flaga) cout<<"NIE";
else cout<<"TAK";
return 0;
}