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//08.12.20 18:03 start
#include <iostream>
using namespace std;

int main()
{
string data;
int n;
cin>>n;
bool result = true;
int i,j,k;
int index1;
int index2;
int tab[5][3];	
for(i=0;i<5;++i){
	for(j=0;j<3;++j){
		tab[i][j] = 0;
		}//for
	}//for

for(k=0;k<n;++k){
	cin>>data;
	index1 = data[0];
	index2 = data[1];
	index1 -= '0';
	--index1;
	index2 -= 'A';
	//cout<<"index1 wynosi "<<index1<<" a index2 wynosi "<<index2<<endl;
	++tab[index1][index2];
	}//for

for(i=0;i<5;++i){
	for(j=0;j<3;++j){
		if(!(tab[i][j])){
			result = false;
			}//if
		if(i==4 && (j==0 || j==1 || j==2)){
			if(tab[i][j] < 2) result = false;
			}//if
		}//for2
	}//for

if(result) cout<<"TAK";
else cout <<"NIE";	
return 0;	
}