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#include <bits/stdc++.h>

using namespace std;

int tab[3][5];

int main()
{
    int N; cin >> N;

    while(N--)
    {
        string a; cin >> a;
        int t, p;
        if (a[1] == 'A') t = 0;
        if (a[1] == 'B') t = 1;
        if (a[1] == 'C') t = 2;

        if (a[0] == '1') p = 0;
        if (a[0] == '2') p = 1;
        if (a[0] == '3') p = 2;
        if (a[0] == '4') p = 3;
        if (a[0] == '5') p = 4;

        tab[t][p]++;
    }

    for(int i = 0; i < 3; ++i)
    {
        for (int j = 0; j < 5; ++j)
        {
            int ile = j == 4 ? 2 : 1;
            if (tab[i][j] < ile)
            {
                cout << "NIE\n";
                return 0;
            }
        }
    }


    cout << "TAK\n";

    return 0;
}