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#include <iostream>

using namespace std;

int main()
{
    int N;
    int done[5][3];
    for (int i = 0; i < 5; i++)
    {
        for (int j = 0; j < 3; j++)
        {
            done[i][j] = 0;
        }
    }

    cin >> N;
    for (int n = 0; n < N; n++)
    {
        char tab[2];
        cin >> tab;
        int round = (int)tab[0] - 49;
        int division = (int)tab[1] - 65;
        done[round][division]++;
    }

    bool ok = true;
    for (int i = 0; i < 4; i++)
    {
        for (int j = 0; j < 3; j++)
        {
            if (done[i][j] < 1)
            {
                ok = false;
            }
        }
    }
    for (int i = 4; i < 5; i++)
    {
        for (int j = 0; j < 3; j++)
        {
            if (done[i][j] < 2)
            {
                ok = false;
            }
        }
    }
    if (ok)
    {
        cout << "TAK" << endl;
    }
    else
        cout << "NIE" << endl;
}