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#include <iostream>
#include <map>

using namespace std;

map<string, int> zadania
{
	{ "1A", 0 }, { "1B", 0 }, { "1C", 0 },
	{ "2A", 0 }, { "2B", 0 }, { "2C", 0 },
	{ "3A", 0 }, { "3B", 0 }, { "3C", 0 },
	{ "4A", 0 }, { "4B", 0 }, { "4C", 0 },
	{ "5A", 0 }, { "5B", 0 }, { "5C", 0 },
};

bool zaliczy()
{
	for (map<string, int>::iterator iter = zadania.begin(); iter != zadania.end(); ++iter)
	{
		string zad = iter->first;
		int ile = iter->second;
		if (zad[0] != '5')
		{
			if (ile < 1)
			{
				return false;
			}
		}
		else
		{
			if (ile < 2)
			{
				return false;
			}
		}
	}
	return true;
}

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n;	cin >> n;
	if (n < 18)
	{
		cout << "NIE\n";
		return 0;
	}
	for (int i = 0; i < n; i++)
	{
		string x;	cin >> x;
		zadania[x]++;
	}
	if (zaliczy())
		cout << "TAK\n";
	else
		cout << "NIE\n";
	return 0;
}