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#include <iostream>

#include <map>
#include <string>

using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int n;
    cin >> n;

    if(n < 18) {
        cout << "NIE" << endl;
        return 0;
    }
    
    map<string, int> map;
    
    string s;
    for(int i=0; i<n; ++i) {
        cin >> s;
        auto it = map.find(s);
        if(it == map.end()) {
            map[s] = 1;
        } else {
            map[s] = it->second + 1;
        }
    }

    for(int i='1'; i<'5'; ++i) {
        for(char a = 'A'; a<= 'C'; ++a) {
            s = "";
            s += i;
            s += a;
            auto it = map.find(s);
            if(it == map.end()) {
                cout << "NIE" << endl;
                return 0;
            }
        }
    }

    for(char a = 'A'; a<= 'C'; ++a) {
        s = "";
        s += '5';
        s += a;
        auto it = map.find(s);
        if(it == map.end() || it->second < 2) {
            cout << "NIE" << endl;
            return 0;
        }
    }

    cout << "TAK" << endl;

    return 0;




}