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#include <bits/stdc++.h>
using namespace std;


int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
    int n;
    int ile_ok = 0;
    int zad[5][3] = { };

    for (int i = 0; i < 3; i++)
            zad[4][i]--;

    cin >> n;
    
    for (int i = 0; i < n; i++) {
        string s;
        cin >> s;
        if (zad[s[0] - '1'][s[1] - 'A'] < 1) {
            zad[s[0] - '1'][s[1] - 'A']++;
            ile_ok++;
        }
    }

    if (ile_ok == 18)
        cout << "TAK" << endl;
    else
        cout << "NIE" << endl;
}