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#include <bits/stdc++.h>

using namespace std;

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

    int n;
    cin>>n;

    int array[15] = {};

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

        array[(a[0]-49)*3+(a[1]-65)]++;
    }

    bool ok = true;
    for (int i=0; i<12; ++i) {
        if (array[i] < 1) {
            ok = false;
            break;
        }
    }

    for (int i=12; i<15; ++i) {
        if (array[i] < 2) {
            ok = false;
            break;
        }
    }

    if (ok == true) {
        cout<<"TAK";
    } else {
        cout<<"NIE";
    }

    return 0;
}