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#include <iostream>

constexpr int TASKS_NUM = 5;

int main() {
    int n;
    int ideas[TASKS_NUM][3] = {0};
    std::cin >> n;
    for (int i = 0; i < n; ++i) {
        int num;
        char level;
        std::cin >> num >> level;
        ++ideas[num - 1][level - 'A'];
    }
    bool answer = true;
    for (int i = 0; i < TASKS_NUM - 1; ++i) {
        if (ideas[i][0] == 0 or ideas[i][1] == 0 or ideas[i][2] == 0) {
            answer = false;
            break;
        }
    }
    if (ideas[TASKS_NUM - 1][0] < 2 or ideas[TASKS_NUM - 1][1] < 2 or ideas[TASKS_NUM - 1][2] < 2) {
        answer = false;
    }
    std::cout << (answer ? "TAK" : "NIE") << std::endl;
    return 0;
}