/*
 * https://sio2.mimuw.edu.pl/c/pa-2020-1/p/wyb/
 */

#include <iostream>
#include <vector>
#include <numeric>
#include <cassert>
#include <string>

#define assertm(exp, msg) assert(((void)msg, exp))

#define assertb(exp, msg)                 \
    if (!(exp)) {                         \
        std::cout << msg << std::endl;    \
        assert(exp);                       \
    }


using namespace std;

int main() {
    int n;

    std::cin >> n;

    vector<int> nums(n, 0);
    int a;
    char b;

    vector<int> missing_values = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2};

    // int missing_ctr = std::accumulate(vector.begin(), vector.end(), decltype(vector)::value_type(0));
    int missing_ctr = std::accumulate(missing_values.begin(), missing_values.end(), 0);

    assertb(missing_values.size() == 15, "Missing values size should be 15. But is: " + std::to_string(missing_values.size()));

    for (int i = 0 ; i < n; ++i) {
        std::cin >> a >> b;

        int addendum = 0;
        if (b == 'A') {
            addendum = 0;
        } else if (b == 'B') {
            addendum = 1;
        } else if (b == 'C') {
            addendum = 2;
        }

        int idx = (a - 1) * 3 + addendum;

        if (missing_values[idx] > 0) {
            missing_values[idx]--;
            missing_ctr--;
        }

        if (missing_ctr == 0) {
            std::cout << "TAK" << std::endl;
            exit(0);
        }
    }
    std::cout << "NIE" << std::endl;

}