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#include <iostream>
#include <string>
#include <vector>
using namespace std;

inline int myhash(int level, char division) {
  return 3 * (level - 1) + static_cast<int>(division - 'A');
}

inline bool verify(vector<int>& vec) {
  int i = 0;
  for (; i <= myhash(4, 'C'); i++) {
    if (vec[i] < 1) return false;
  }
  for (; i < myhash(5, 'C'); i++) {
    if (vec[i] < 2) return false;
  }
  return true;
}

int main() {
  int n;
  cin >> n;
  vector<int> vec(n);
  for (int i = 0; i < n; i++) {
    string inp;
    cin >> inp;
    vec[myhash(static_cast<int>(inp[0] - '0'), inp[1])]++;
  }
  cout << (verify(vec) ? "TAK" : "NIE");
  return 0;
}