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#include "bits/stdc++.h"
using namespace std;
typedef vector<int> vi;
typedef vector<vi> vvi;
#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define REP(i, n) FOR(i, 0, (n) - 1)

// Ignacy Boehlke

int main() {
    int n;
    scanf("%d", &n);

    char r, t;
    vvi arr(5, vi(3));
    while (n--) {
        scanf(" %c%c", &r, &t);
        ++arr[r - '1'][t - 'A'];
    }
    bool ok = true;
    REP(i, 4) REP(j, 3) ok = ok && arr[i][j];
    REP(j, 3) ok = ok && (arr[4][j] >= 2);
    printf(ok ? "TAK\n" : "NIE\n");
}