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#include<iostream>
#include<set>
using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    int n;
    cin>>n;
    multiset<pair<char,char> > secik;
    string zad;
    while(n--)
    {
        cin>>zad;
        secik.insert({zad[0],zad[1]});
    }
    for(char i='1' ; i<='5' ; i++)
     for(char j='A' ; j<='C' ; j++)
       {
           pair<char,char> h;
           h.first=i;
           h.second=j;
            if(i=='5')
            {
              if(secik.count(h)>=2) continue;
              else {cout<<"NIE"<<endl;return 0;}
            }
            else 
            {
               if(secik.count(h)>=1) continue;
              else {cout<<"NIE"<<endl;return 0;}
            }
       }
       cout<<"TAK"<<endl;

    return 0;
}