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#include "bits/stdc++.h"

using namespace std;

vector <string> z;

int main()
{
    int n;
    int l = 0;
    string p;
    int a = 0;
    int b = 0;
    int c = 0;

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin >> n;

    z.reserve(n);

    for (int i = 0; i < n; i++)
    {
        cin >> p;
        z.push_back(p);
    }

    for (int i = 1; i <= 5; i++)
    {
        for (int j = 0; j < n; j++)
        {
            p = z[j];

            if (p[1] == 'A' && p[0] == ((char)(i+48)))
                a++;
            else if (p[1] == 'B' && p[0] == ((char)(i+48)))
                b++;
            else if (p[1] == 'C' && p[0] == ((char)(i+48)))
                c++;
        }

        if (i < 5)
            if (a >= 1 && b >= 1 && c >= 1)
                l++;

        if (i == 5)
            if (a >= 2 && b >= 2 && c >= 2)
                l++;


        //cout << a << " " << b << " " << c << '\n';

        a = 0;
        b = 0;
        c = 0;
    }

    if (l != 5)
        cout << "NIE";
    else
        cout << "TAK";

    exit(0);
}