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#include <iostream>

using namespace std;

int main() {
	int n; cin >> n;
	if (n < 18) { cout << "NIE" << endl; return 0; }
	int t[5][3] = { {0,0,0},{0,0,0},{0,0,0},{0,0,0},{-1,-1,-1} };
	int d = 0;
	char l;
	int x, y;
	while (n--) {
		cin >> x;
		x--;
		cin >> l;
		y = l - 'A';
		if (t[x][y] == 0) d++;
		t[x][y]++;
	}
	if (d == 15) cout << "TAK"; else cout << "NIE";
	return 0;
}