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#include <iostream>                                                             
#include <string>                                                               
using namespace std;

int main(int argc, char* argv[])
{
    int n;
    string str;

    cin >> n;
    getline(cin >> ws, str);

    int tasks[5][3];
    int count = 0;

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

    int m = 3 * n;
    for (int i = 0; i < m; i += 3) 
    {
        int l = (int)str[i] - 49;
        int k = (int)str[i + 1] - 65;

        if ((l < 4 && tasks[l][k] < 1) || (l == 4 && tasks[l][k] < 2))
        {
            tasks[l][k]++;
            count++;
        }
        if (count == 18)
        {
            std::cout << "TAK";
            return 0;
        }
    }

    if (count < 18)
        cout << "NIE";
}