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#include <stdio.h>

char tasks[5][3];

int main()
{
    int ideas = 0;
    scanf("%i", &ideas);

    for (int i = 0; i < ideas; i++)
    {
        char round, division;
        scanf(" %c%c", &round, &division);

        round -= '1';
        division -= 'A';
        // printf("%i %i\n", round, division);

        if(round < 4) {
            tasks[round][division] = 1;
        } else {
            tasks[round][division] += 1;
        }
    }

    bool ok = true;
    for (int i = 0; i < 5; i++)
    {
        for (int j = 0; j < 3; j++)
        {
            if(
                (i < 4 && tasks[i][j] < 1) ||
                (i == 4 && tasks[i][j] < 2)
            )
                ok = false;
            
            // std::cout << i << " " << j << " = " << (int)tasks[i][j] << "\n";
        }
    }

    if(ok) printf("TAK\n");
    else printf("NIE\n");
}