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#include <bits/stdc++.h>
using namespace std;


int n, c;
int tab[3][5];

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie();
    cout.tie();

    string zad, a, b;

    cin >> n;

    for (int i=0; i<n; i++){
        cin >> zad;

        b = zad;
        a = zad.erase(1, 1);
        b = b.erase(0,1);


        if (a == "1"){
            if (b == "A")
                tab[0][0]++;
            if (b == "B")
                tab[1][0]++;
            if (b == "C")
                tab[2][0]++;
        }

        if (a == "2"){
            if (b == "A")
                tab[0][1]++;
            if (b == "B")
                tab[1][1]++;
            if (b == "C")
                tab[2][1]++;
        }

        if (a == "3"){
            if (b == "A")
                tab[0][2]++;
            if (b == "B")
                tab[1][2]++;
            if (b == "C")
                tab[2][2]++;
        }

        if (a == "4"){
            if (b == "A")
                tab[0][3]++;
            if (b == "B")
                tab[1][3]++;
            if (b == "C")
                tab[2][3]++;
        }

        if (a == "5"){
            if (b == "A")
                tab[0][4]++;
            if (b == "B")
                tab[1][4]++;
            if (b == "C")
                tab[2][4]++;
        }

    }
    tab[0][4]--;
    tab[1][4]--;
    tab[2][4]--;

    bool odp = true;

    for (int i=0; i<3; i++){
        for (int j=0; j<5; j++){
            if (tab[i][j] < 1)
                odp = false;
        }
    }

    if (odp)
        cout << "TAK";
    else
        cout << "NIE";

    return 0;
}