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//Marcin Krzewiński

#include <iostream>
#include <math.h>

using namespace std;

int n;

int main()
{
	cin >> n;
	if (n < 18)
	{
		cout << "NIE";
		return 0;
	}
	int zad[5][3];
	for (int i = 0; i < 5; i++)
	{
		for (int j = 0; j < 3; j++)
		{
			zad[i][j] = 0;
		}
	}
	for (int i = 0; i < n; i++)
	{
		string x;
		cin >> x;
		int a = (int)x[0] - 49;
		int b = (int)x[1] - 65;
		zad[a][b] += 1;
	}
	for (int i = 0; i < 5; i++)
	{
		if (i == 4)
		{
			for (int j = 0; j < 3; j++)
			{
				if (zad[i][j] < 2)
				{
					cout << "NIE";
					return 0;
				}
			}
		}
		else
		{
			for (int j = 0; j < 3; j++)
			{
				if (zad[i][j] == 0)
				{
					cout << "NIE";
					return 0;
				}
			}
		}
	}
	cout << "TAK";
}