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#include <iostream>
#include <string>
#include <array>


int main() {

    int n;
    std::cin >> n;

    std::string s;
    std::array<std::array<int, 3>, 5> counts = {0};
    for(int i=0; i<n; i++) {
        std::cin >> s;
        int round;
        char division;
        round = s[0] - '1';
        division = s[1] - 'A';
        counts[round][division]++;
    }

    bool result = true;
    for(int i=0; i<4; i++) {
        for(int j=0; j<3; j++) {
            if(counts[i][j]<1)
                result = false;
        }
    }
    for(int j=0; j<3; j++) {
        if(counts[4][j]<2)
            result = false;
    }

    if(result) {
        std::cout << "TAK" << std::endl;
    } else {
        std::cout << "NIE" << std::endl;
    }

    return 0;
}