#include <iostream>

int counts[5][3];

int main() {
    std::ios::sync_with_stdio(false);

    int n;
    std::cin >> n;
    for (int i = 0; i < n; ++i) {
        int x;
        char y;
        std::cin >> x >> y;
        counts[x - 1][y - 'A']++;
    }

    for (int i = 0; i < 5; ++i) {
        for (int j = 0; j < 3; ++j) {
            if (counts[i][j] < (i == 4 ? 2 : 1)) {
                std::cout << "NIE";
                return 0;
            }
        }
    }
    std::cout << "TAK";
    return 0;
}