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#include<bits/stdc++.h>
using namespace std;
int main()
{
    ios_base::sync_with_stdio(0);
    int n;
    cin >> n;
    vector<int> w(3,0);
    vector<vector<int>> tab(5,w);
    while(n--)
    {
        string t;
        cin >> t;
        int a = int(t[0]-'1');
        int b = int(t[1]-'A');
        tab[a][b]++;
    }
    bool un_able = false;
    for(int k=0;k<5;k++)
    {
        for(int i=0;i<3;i++)
        {
            if(k==4)
            {
                if(tab[k][i]<2)
                    un_able = true;
            }
            if(tab[k][i]==0)
                un_able = true;
            if(un_able)
                break;
        }
        if(un_able)
            break;
    }
    if(un_able)
        cout <<"NIE"<<endl;
    else
        cout << "TAK"<<endl;
}