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

int zad[6][4];

int n;

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	
	cin >> n;
	
	for(int i = 1; i <= n; i++){
		string s;
		cin >> s;
		int run = s[0] - 48, dyw = s[1] - 64;
		zad[run][dyw]++;  
	}
	
	bool tn = true;
	for(int i = 1; i <= 5; i++){
		for(int j = 1; j <= 3; j++){
			if(i != 5 && zad[i][j] < 1) tn = false;
			else if(i == 5 && zad[i][j] < 2) tn = false;
		}
	}
	
	if(tn) cout << "TAK";
	else cout << "NIE";
}