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#include<cstdio>

int N = 15;

int main() {
  int n;
  scanf("%d", &n);
  int * t = new int[N];
  while (n--) {
    char * s = new char[2];
    scanf("%s", s);
    int p = (s[0] - '1') * 3 + (s[1] - 'A');
    t[p] += 1;
  }

  for (int i = 0; i < N; i++) {
    if (t[i] < 1 || (i >= N - 3 && t[i] < 2)) {
      printf("NIE\n");
      return 0;
    }
  }

  printf("TAK\n");
  return 0;
}