#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int n;
  string str;
  cin >> n >> str;
  int a = 0;
  int d = 0;
  for (int i = 0; i < n; i++) {
    if (str[i] == 'A') {
      a++;
    } else {
      d++;
    }
  }
  if (a > d) {
    cout << "Anton" << endl;
  } else if (a < d) {
    cout << "Danik" << endl;
  } else {
    cout << "Friendship" << endl;
  }
}
