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#include <iostream>
#include <vector>

using namespace std;

int main(){
  int n;
  cin >> n;

  vector<vector<int>> Q(5, vector<int>(3));

  while(n--){
    string g;
    cin >> g;
    
    if(g[1] == 'A'){
      Q[g[0] - '0' - 1][0]++;
    } else if(g[1] == 'B'){
      Q[g[0] - '0' - 1][1]++;
    } else {
      Q[g[0] - '0' - 1][2]++;
    }
  }
  
  bool flag = true;
  for(int i = 0; i < 4; i++){
    if(Q[i][0] < 1 || Q[i][1] < 1 || Q[i][2] < 1){
      flag = false;
    }
  }

  if(Q[4][0] < 2 || Q[4][1] < 2 || Q[4][2] < 2){
    flag = false;
  }
  
  if(flag){
    cout << "TAK\n";
  } else {
    cout << "NIE\n";
  }
}