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#include <iostream>
#include <vector>
#include <string>

using namespace std;

int main()
{
    vector<vector<int>> problemCount(5, vector<int>(3));

    int n;
    cin >> n;
    
    string input;

    for (int i = 0; i < n; i++)
    {
        cin >> input;
        problemCount[input[0] - 49][input[1] - 65]++;
    }

    for (int i = 0; i < problemCount.size(); i++)
    {
        for (int j = 0; j < problemCount[i].size(); j++)
        {
            if ((i != 4 && problemCount[i][j] < 1) || (i == 4 && problemCount[i][j] < 2))
            {
                cout << "NIE";
                return 0;
            }
        }
    }

    cout << "TAK";
}