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#include <iostream>
using namespace std;
int t[3][5];
int w = 15;
string s;
int main()
{
    ios_base :: sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n; cin >> n;
    for(int i = 0; i < n; i++){
        cin >> s;
        int x = s[0] - '0';
        int z = int(s[1] - 'A');
        if(x != 5){
            if(!t[z][x-1]){
                t[z][x-1]++;
                w--;
            }
        }else{
            if(t[z][x-1] == 1){
                t[z][x-1]++;
                w--;
            }else
                t[z][x-1]++;
        }
    }
    if(!w)
        cout << "TAK\n";
    else
        cout << "NIE\n";
}