#include <iostream>
#include <string>

using namespace std;

int tab[3][5];

int main(int argc, char* argv[]) {
        ios_base::sync_with_stdio (false);
        string str;
        int i, n, j;
        cin >> n;
        for (i=0; i<n; ++i) {
                cin >> str;
                tab[str[1]-'A'][str[0]-'1']++;
        }
        for (i=0;i<3;i++)
                for (j=0; j<4;j++)
                        if(tab[i][j] < 1)
                                goto err;
        for (i=0;i<3;i++)
                if(tab[i][4] < 2)
                        goto err;

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

err:
        cout << "NIE\n";
        return 0;
}