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#include <bits/stdc++.h>
using namespace std;


int main() {
  ios_base::sync_with_stdio(0);
  cin.tie();
  cout.tie();

  int A_cnt[6] = {0};
  int B_cnt[6] = {0};
  int C_cnt[6] = {0};
  int n;
  string info;
  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> info;
    switch (info[1]) {
    case 'A':
      A_cnt[info[0] - '0']++;
      break;
    case 'B':
      B_cnt[info[0] - '0']++;
      break;
    case 'C':
      C_cnt[info[0] - '0']++;
      break;
    default:
      break;
    }
  }


  for (int i = 1; i <= 5; i++) {
    if (A_cnt[i] < i/5 + 1 || B_cnt[i] < i/5 + 1 || C_cnt[i] < i/5 + 1) {
      cout << "NIE";
      return 0;
    }
  }
  cout << "TAK";
  return 0;
}