def most_games(num, winners):
anton = 0
danik = 0
for i in winners:
if i == 'A':
anton += 1
else:
danik += 1
if anton > danik:
return "Anton"
elif danik > anton:
return "Danik"
else:
return "Friendship"
_
if __name__ == "__main__":
num = int(input())
winners = input()
print(most_games(num, winners))