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#include <iostream>

int main() {
    int n;
    std::string pos;
    std::cin >> n;
    int tab[15] = {};

    for (int i = 0; i < n; i++) {
        std::cin >> pos;
        if (pos == "1A") {
            tab[0]++;
        }
        if (pos == "1B") {
            tab[1]++;
        }
        if (pos == "1C") {
            tab[2]++;
        }
        if (pos == "2A") {
            tab[3]++;
        }
        if (pos == "2B") {
            tab[4]++;
        }
        if (pos == "2C") {
            tab[5]++;
        }
        if (pos == "3A") {
            tab[6]++;
        }
        if (pos == "3B") {
            tab[7]++;
        }
        if (pos == "3C") {
            tab[8]++;
        }
        if (pos == "4A") {
            tab[9]++;
        }
        if (pos == "4B") {
            tab[10]++;
        }
        if (pos == "4C") {
            tab[11]++;
        }
        if (pos == "5A") {
            tab[12]++;
        }
        if (pos == "5B") {
            tab[13]++;
        }
        if (pos == "5C") {
            tab[14]++;
        }
    }

    for (int i = 0; i < 12; i++) {
        if (tab[i] == 0) {
            std::cout << "NIE";
            return 0;
        }
    }
    for (int i = 12; i < 15; i++) {
        if (tab[i] < 2) {
            std::cout << "NIE";
            return 0;
        }
    }
    std::cout << "TAK";
    return 0;
}