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#include <bits/stdc++.h>
 
using namespace std;
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef long long LL;
typedef pair<int,int> PI; 
typedef pair<LL,LL> PLL;
typedef unsigned long long ULL;
typedef pair<double,double> PD;
 
#define FOR(x, b, e) for(int x = b; x<= (e); x++)
#define FORD(x, b, e) for(int x = b; x>= (e); x--)
#define REP(x, n) for(int x = 0; x<(n); ++x)
#define ALL(c) (c).begin(), (c).end()
#define SIZE(x) ((int)(x).size())
 
#define PB push_back
#define IN insert
#define ST first
#define ND second
#define INF 2000000011
#define MOD 1000000007
 
#define MAXS 10000000

char litery[]={'A','B','C'};

bool go(){
  
    int n;
    cin>>n;
    multiset<string> zb;
    REP(i,n){
        string s1;
        cin>>s1;
        zb.IN(s1);
    }

    FOR(i,1,4){
        for(auto x: litery){
            string s1=to_string(i)+x;
            if(zb.count(s1)<1)
                return false;
        }
    }

    for(auto x:litery){
        string s1=to_string(5)+x;
        if(zb.count(s1)<2)
            return false;
    }
    return true;
}
int main(){
    
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    cout<<(go()?"TAK\n":"NIE\n");
}