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#include <iostream>
#include <vector>
#include <string>

int main() {
	std::cin.tie(0);
	std::ios::sync_with_stdio(0);
	int n;
	std::cin >> n;
	std::vector<int> a(5);
	std::vector<int> b(5);
	std::vector<int> c(5);
	for (int i = 0; i < n; i++)
	{
		std::string s;
		std::cin >> s;
		if (s[1] == 'A') {
			a[s[0] - '1']++;
		}
		else if (s[1] == 'B') {
			b[s[0] - '1']++;
		}
		else {
			c[s[0] - '1']++;
		}
	}
	bool out = true;
	for (int i = 0; i < 5; i++)
	{
		if (i != 4) {
			if (a[i] == 0 || b[i] == 0 || c[i] == 0)
				out = false;
		}
		else {
			if (a[i] < 2 || b[i] < 2 || c[i] < 2)
				out = false;
		}
	}
	if (out)
		std::cout << "TAK";
	else
		std::cout << "NIE";
}