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#include <iostream>
#include <string>

using namespace std;

int main() {
	int n = 0;
	cin >> n;
	string z[n];
	bool rest[4][3];
	bool check = true;
	for(int i=0; i<4; i++){
		rest[i][0] = false;
		rest[i][1] = false;
		rest[i][2] = false;
	}
	int five[3];
	five[0] = 0;
	five[1] = 0;
	five[2] = 0;
	for(int i=0; i<n; i++){
		int x = -1;
		int y = 0;
		z[i] = "";
		cin >> z[i];
		switch(z[i].at(1)){
			case 'A': x = 0;
			break;
			case 'B': x = 1;
			break;
			case 'C': x=2;
			break;
		}
		y = (int)z[i].at(0) - 48;
		if(y > 0 && y < 6 && x!= -1){
			if(y == 5){
				five[x]++;
			}
			else{
				rest[y-1][x] = true;
			}
		}
	}
	for(int i=0; i<4; i++){
		if(!(rest[i][0]) || !(rest[i][1]) || !(rest[i][2])) check = false;
	}
	if(five[0] < 2 || five[1] < 2 || five[2] < 2) check = false;
	if(check) cout << "TAK";
	else cout << "NIE";
	return 0;
}