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#include <iostream>
#include <vector>

using namespace std;

int main() {
    std::ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
    vector<vector<int>> tab;
    tab.resize(3);
    for (int i = 0; i < 3; i++)
        tab[i].resize(5);
    int n; string b; cin >> n;
    for (int i = 0; i < n; i++) {
        cin >> b;
        int tempLet = b[1] - 65, tempInt = b[0];
        tempInt -= '0';
        tab[tempLet][tempInt - 1]++;
    }
    bool result = true;
    for (int i = 0; i < 3; i++) {
        for (int q = 0; q < 4; q++) {
            if (tab[i][q] == 0)
                result = false;
        }
        if(tab[i][4] < 2)
            result = false;
    }
    if(result)
        cout << "TAK" << "\n";
    else
        cout << "NIE" << "\n";
}