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#include <bits/stdc++.h>

using namespace std;

int col[10][10];

int main() {
  int n;
  cin >> n;
  for (int i = 0; i < n; i++) {
    string s;
    cin >> s;
    col[s[0] - '1'][s[1] - 'A']++;
  }

  bool bad = false;
  for (int i = 0; i < 5; i++) {
    for (int j = 0; j < 3; j++) {
      if (col[i][j] < 1 + (i == 4)) {
        bad = true;
      }
    }
  }

  cout << (bad ? "NIE" : "TAK");

  return 0;
}