#include <iostream>
#include <vector>

using namespace std;

int main() {
    int num;
    cin >> num;
    vector<int> mins = {1, 1, 1, 1, 2};

    vector<vector<int>> sums = {
            {0, 0, 0, 0, 0}, // A
            {0, 0, 0, 0, 0}, // B
            {0, 0, 0, 0, 0} // C
    };
    for (int i = 0; i < num; i++) {
        string s;
        cin >> s;
        char zad = s[0];
        char dyw = s[1];

        sums[dyw - 'A'][zad - '0' - 1]++;
    }

    bool good = true;

    for (auto &dyw : sums) {
        for (int zadId = 0; zadId < 5; zadId++) {
            if (dyw[zadId] < mins[zadId]) {
                good = false;
                break;
            }
        }
        if (!good) {
            break;
        }
    }

    cout << (good ? "TAK" : "NIE") << endl;

    return 0;
}