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/* ==============================================================================
 *
 *  Author:
 *      Name:       Adam Jeliński
 *      Nickname:   charodziej <https://github.com/charodziej>
 *
 *  Created:        18:41 07.12.2020
 *
 *  c.cpp
 *
 *  g++ -std=c++17 -O3 -o c.o c.cpp
 *  ./c.o
 *
 * ============================================================================== */

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

#ifndef DEBUG
#define DEBUG 0
#endif

#if DEBUG==1
#include "/home/charodziej/Documents/universal-print-in-cpp/lib/universal_print.h"
#else
#define watch(...)
#define watchb(...)
#define declare_struct(...)
namespace cupl{
    void showTypes(...){return;}
}
#endif

/* ============================================================================== *
 *     /\                   Please pardon the code above                   /\     *
 *     ||  It is necessary for the debugging library to function properly  ||     *
 * ============================================================================== */

typedef   signed long long  ll;
typedef unsigned long long ull;

int main(){
#if DEBUG==0
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
#endif

    int n;
    cin >> n;
    int counts[3][5] = {{1, 1, 1, 1, 2}, {1, 1, 1, 1, 2}, {1, 1, 1, 1, 2}};

    for (int i = 0; i < n; i++) {
        string in;
        cin >> in;
        counts[in[1] - 'A'][in[0] - '1']--;
    }

    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 5; j++) {
            if (counts[i][j] > 0) {
                cout << "NIE";
                return 0;
            }
        }
    }
    cout << "TAK";
}