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#include <bits/stdc++.h>

using namespace std;

#define ALL(x) (x).begin(), (x).end()

template<class C> void mini(C &a5, C b5) { a5 = min(a5, b5); }
template<class C> void maxi(C &a5, C b5) { a5 = max(a5, b5); }

#ifdef LOCAL
const bool debug = true;
#else
const bool debug = false;
#define cerr if (true) {} else cout
#endif

#define int long long
#define double long double

const int INF = 1e18;
const int mod = 1e9 + 7;

int czy[1010][1010];

int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    int n;
    cin >> n;
    for (int i = 0; i < n; i++) {
		string s;
		cin >> s;
		czy[s[0]][s[1]]++;
	}
	
	for (char i = '1'; i <= '5'; i++) {
		for (char j = 'A'; j <= 'C'; j++) {
			if (czy[i][j] == 0) {
				cout << "NIE";
				return 0;
			} else if (czy[i][j] == 1 && i == '5') {
				cout << "NIE";
				return 0;
			}
		}
	}
	
	cout << "TAK\n";
    
    return 0;
}/*
19
3B 4B 5B 4C 5C 3C 1A 5A 5C 3A 5A 2C 1B 2A 5B 5C 2B 1C 4A
* 
20
2B 4B 4C 5A 5C 5C 4A 1B 3A 4A 2A 3B 1B 1C 1A 5A 2C 1B 5B 3C
*/