#pragma GCC optmize(2,3,"Ofast","inline")
#include<bits/stdc++.h>
#define int long long
#define max(a,b) ((a) > (b) ? (a) : (b))
#define min(a,b) ((a) < (b) ? (a) : (b))
#define abs(a) ((a) > 0 ? (a) : 0 - (a))
#define in(a,b,c) ((a) >= (b) && (a) <= (c))
#define isint(a) (floor(a) == a)
#define endl '\n'
using namespace std;
int n;
string s;
map<string,int> m;
signed main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin >> n;
	if(n < 18){
		cout << "NTE";
		return 0;
	}
	while(n--)cin >> s,m[s]++;
	for(int i = 1;i <= 5;i++){
		for(char j = 'A';j <= 'C';j++){
			string s = to_string(i) + j;
			if(i == 5 && m[s] < 2){
				cout << "NTE";
				return 0;
			}
			if(i < 5 && m[s] == 0){
				cout << "NTE";
				return 0;
			}
		}
	}
	cout << "TAK";
}