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#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#ifdef LOC
#include "debuglib.h"
#else
#define deb(...)
#define DBP(...)
#endif
using namespace std;
using   ll         = long long;
using   Vi         = vector<int>;
using   Pii        = pair<int, int>;
#define pb           push_back
#define mp           make_pair
#define x            first
#define y            second
#define rep(i, b, e) for (int i = (b); i < (e); i++)
#define each(a, x)   for (auto& a : (x))
#define all(x)       (x).begin(), (x).end()
#define sz(x)        int((x).size())

int main() {
	cin.sync_with_stdio(0); cin.tie(0);
	cout << fixed << setprecision(10);

	int n; cin >> n;
	map<string, int> cnt;

	rep(i, 0, n) {
		string s; cin >> s;
		cnt[s]++;
	}

	rep(i, 1, 6) {
		each(c, string("ABC")) {
			string key(2, c);
			key[0] = char(i + '0');
			if (cnt[key] < (i == 5 ? 2 : 1)) {
				cout << "NIE\n";
				return 0;
			}
		}
	}

	cout << "TAK\n";
	return 0;
}