#include <iostream>

using namespace std;
int n,a,d;

int main(){
	cin >> n;
	char c;
	for (int i = 1; i <=n; i++){
		cin >> c;
		if (c=='A') a++;
		else d++;
	}
	if (a>d) cout << "Anton";
	if (a<d) cout << "Danik";
	if (a==d) cout << "Friendship";
	return 0;
}