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#include <iostream>
#include <vector>
#include <unordered_map>
using namespace std;

int main(){
	int n;
	cin >> n;
	string tab[n];
	string ans = "TAK";
	unordered_map<string, int> map;
	for(int i=1;i<=5;i++){
			map[to_string(i) + "A"] = 0;
			map[to_string(i) + "B"] = 0;
			map[to_string(i) + "C"] = 0;
	}

	
	for(int i=0; i<n; i++){
		cin >> tab[i];
		map[tab[i]]++;
	}
	if(n < 18){
		ans = "NIE";
	}
	for(auto it=map.begin(); it !=map.end(); it++){
		if(it ->first[0] - '0'< 5){
			it->second-=1;
		}
		else{
			it->second -=2;
		}
		//cout<<it->first<<": "<<it->second<<"\n";
		if(it->second)	n-=it->second;
		if(it->second < 0 || n<18){
			ans = "NIE";
			break;
		}
	}
	cout<<ans;
	return 0;
	
}