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#include <bits/stdc++.h>
using namespace std;
bool t[15];

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  for (int i = 0; i<15; i++)
    t[i] = 0;
  int n;
  string s;
  cin >> n;
  bool tak = 1;
  int pa, pb, pc;
  pa = pb = pc = 0;
  for (int i = 0; i<n; i++)
  {
    cin >> s;

    if (s == "5A")
      pa++;
    else if (s == "5B")
      pb++;
    else if (s == "5C")
      pc++;
    //cout << "pb " << pb << "\n";
    if (s == "1A")
      t[0] = 1;
    else if (s == "1B")
      t[1] = 1;
    else if (s == "1C")
      t[2] = 1;
    else if (s == "2A")
      t[3] = 1;
    else if (s == "2B")
      t[4] = 1;
    else if (s == "2C")
      t[5] = 1;
    else if (s == "3A")
      t[6] = 1;
    else if (s == "3B")
      t[7] = 1;
    else if (s == "3C")
      t[8] = 1;
    else if (s == "4A")
      t[9] = 1;
    else if (s == "4B")
      t[10] = 1;
    else if (s == "4C")
      t[11] = 1;

  }
  
    if (pa >= 2)
      t[12] = 1;
    if (pb >= 2)
      t[13] = 1;
    if (pc >= 2)
      t[14] = 1;

  for (int i = 0; i<15; i++)
  {
    if (t[i] == 0)
      tak = 0;
    //cout << t[i] << " ";
  }

  if (tak == 1)
    cout << "TAK\n";
  else
    cout << "NIE\n";
  
}