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#include <iostream>
#include <string>

using namespace std;

int main() {
    
    int n;
    cin >> n;
    string pom;
    
    string zadania[] = {"1A", "1B", "1C", "2A", "2B", "2C", "3A", "3B", "3C", "4A", "4B", "4C", "5A", "5B", "5C"};
    int sprawdz[15];
    
    for (int i = 0; i < 15; i++) {
    
        sprawdz[i] = 0;
    }
    

    for (int i = 0; i < n; i++) {
        
        cin >> pom;
        
        for (int j = 0; j < 15; j++) {
            
            if (zadania[j] == pom) { 
                (sprawdz[j])++;
            }
        }
    }

    for (int i = 0; i < 15; i++) {
        
        if ((i < 12) && (sprawdz[i] < 1)) {
            cout << "NIE";
            return 0;
        }
        else if ((i >= 12) && (sprawdz[i] < 2)) {
            cout << "NIE";
            return 0;
        }
    }
    cout << "TAK";
    
    return 0;
}