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#include <iostream>

using namespace std;

int counter [100];

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	
	int n, idx, letter_idx, final_idx;
	string s;
	
	cin>>n;
	
	for(int i=1; i<=n; i++)
	{
		cin>>s;
		idx = int(s[0]) - 48;	
		letter_idx = int(s[1]) - 65;
		
		final_idx = (idx-1)*3 + letter_idx;
		counter[final_idx]++;
	}

	for(int i=0; i<=11; i++)
		if (counter[i] == 0)
		{	
			cout<<"NIE"<<endl;
			return 0;
		}
	
	for(int i=12; i<=14; i++)
		if (counter[i] < 2)
		{	
			cout<<"NIE"<<endl;
			return 0;
		}
	
	cout<<"TAK"<<endl;
	return 0;
}