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#include <iostream>

using namespace std;

int main()
{
    int n;
    cin >> n;
    int cntA[5] = { 0,0,0,0,0 };
    int cntB[5] = { 0,0,0,0,0 };
    int cntC[5] = { 0,0,0,0,0 };
    for (int i = 0; i < n; i++)
    {
        int a;
        char b;
        cin >> a >> b;
        if (b == 'A')
        {
            cntA[a - 1]++;
        }

        if (b == 'B')
        {
            cntB[a - 1]++;
        }

        if (b == 'C')
        {
            cntC[a - 1]++;
        }
    }

    for (int i = 0; i < 5; i++)
    {
        if (i != 4)
        {
            if (cntA[i] == 0 || cntB[i] == 0 || cntC[i] == 0)
            {
                cout << "NIE";
                return 0;
            }
        }
        else if(cntA[i] < 2 || cntB[i] < 2 || cntC[i] < 2)
        {
            cout << "NIE";
            return 0;
        }
    }
    cout << "TAK";
    return 0;
}