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#include <bits/stdc++.h>
using namespace std;

int t1[26];
int t2[26];

int main(){
	char c='b';
	int n=0;
	while(c<'0'||c>'9')c=getchar();
	while(c>='0'&&c<='9'){
		n*=10;
		n+=c-48;
		c=getchar();
	}
	
	string s;
	
	for (int i = 0; i < n; ++i){
		c=getchar();
		if(i%2)++t1[c-'a'];
		else ++t2[c-'a'];
	}
	c=getchar();
	for (int i = 0; i < n; ++i){
		c=getchar();
		if(i%2)--t1[c-'a'];
		else --t2[c-'a'];
	}
	//for(int i = 0; i < 26; ++i)cout<<t[i]<<" ";cout<<"\n";
	for (int i = 0; i < 26; ++i)if(t1[i]!=0||t2[i]!=0){cout<<"NIE\n";return 0;}
	cout <<"TAK\n";
	
	return 0;
}