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#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n;
    string poz;

    int cnt[5][3];

    for (int i = 0; i<5; i++)
        for (int j = 0; j<3; j++)
            cnt[i][j] = 0;

    cin >> n;
    for (int i = 0; i<n; i++)
    {
      cin >> poz;
      cnt[poz[0]-'1'][poz[1]-'A']++;
    }

    bool ok = true;

    for (int i = 0; i<5; i++)
        for (int j = 0; j<3; j++)
            ok = ok && cnt[i][j] >= 1 + (i==4);

    cout << (ok ? "TAK" : "NIE") << "\n";


    return 0;
}