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#include <bits/stdc++.h>
#ifdef SIO
#define dbg(name) cerr << #name ": " << (name) << "\t"
#define nl cerr<<endl
#else
#define dbg(name)
#define nl
#endif
#define st first
#define nd second
#define pb push_back
#define rep(i,begin,end) for(__typeof(end) i = begin; i <= end; i++)
using namespace std;
using ll = long long;
using pii = pair<int,int>;
const ll nax = 1e18+33;

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n;
    cin >> n;
    if(n < 18) {
        cout << "NIE\n";
        return 0;
    }
    else {
        dbg(n); 
        map<int,int> A,B,C;
        rep(i,1,n) {
            string s;
            cin >> s;
            int x = s[0]-'0';
            if(s[1] == 'A') A[x]++;
            else if(s[1] == 'B') B[x]++;
            else C[x]++;
        }
        dbg("koniec petli");
        rep(i,1,4) {
            if(!(A.count(i) && B.count(i) && C.count(i))) {
                cout<<"NIE\n";
                exit(0);
            }
        }
        if(A[5] >= 2 && B[5] >= 2 && C[5] >=2)
            cout << "TAK\n";
        else
            cout << "NIE\n";
        //for(auto x : A) cout << "A"<<x<< "\n";
    }
}